The total power consumed in a parallel circuit is __________. A. the sum of the powers used in each load (resistor) divided by the number of loads B. always less than the power used in the smallest load C. the sum of the powers used in each individual load D. never more than the power used in the largest load

The total power consumed in a parallel circuit is __________. A. the sum of the powers used in each load (resistor) divided by the number of loads B. always less than the power used in the smallest load C. the sum of the powers used in each individual load D. never more than the power used in the largest load
by

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Answer: C
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The total power used up in a series circuit is ___________. A. the sum of the powers used in each load (resistor) divided by the number of loads B. the sum of the powers used in each load C. always less than the power used in the smallest load D. never more than the power used in largest load

Description : The total power used up in a series circuit is ___________. A. the sum of the powers used in each load (resistor) divided by the number of loads B. the sum of the powers used in each load C. always less than the power used in the smallest load D. never more than the power used in largest load

Last Answer : Answer: B

Which of the following statements concerning a simple parallel resistance circuit is correct? A. The voltage drop across each resistor is the same. B. The total current flow equals the reciprocal of the sum of the individual currents. C. The total resistance equals the sum of the individual resistances. D. The total voltage equals the sum of the individual voltages across each resistance.

Description : Which of the following statements concerning a simple parallel resistance circuit is correct? A. The voltage drop across each resistor is the same. B. The total current flow equals the reciprocal ... resistances. D. The total voltage equals the sum of the individual voltages across each resistance.

Last Answer : Answer: A

The total resistance of a parallel circuit is always ____________. A. larger than that of the branch with the greatest resistance B. smaller than that of the branch with the lowest resistance C. equal to the sum of the individual branch resistances D. equal to the sum of the individual branch resistances divided by the number of branches

Description : The total resistance of a parallel circuit is always ____________. A. larger than that of the branch with the greatest resistance B. smaller than that of the branch with the lowest resistance C ... resistances D. equal to the sum of the individual branch resistances divided by the number of branches

Last Answer : Answer: B

The total resistance of a parallel circuit is always ____________. A. larger than the greatest branch resistance B. smaller than the lowest branch resistance C. equal to the sum of the individual branch resistances D. one-half the sum of the individual branch resistances

Description : The total resistance of a parallel circuit is always ____________. A. larger than the greatest branch resistance B. smaller than the lowest branch resistance C. equal to the sum of the individual branch resistances D. one-half the sum of the individual branch resistances

Last Answer : Answer: B

The total voltage of a series circuit is the _____________. A. sum of the individual voltage drops B. total resistance divided by the total current C. sum of the individual currents multiplied by the number of resistors D. total current divided by the total resistance

Description : The total voltage of a series circuit is the _____________. A. sum of the individual voltage drops B. total resistance divided by the total current C. sum of the individual currents multiplied by the number of resistors D. total current divided by the total resistance

Last Answer : Answer: A

Two identical resistors are connected in parallel and consume 200 watts together. A third identical resistor is added in parallel. The total power consumed is: w) 100 watts x) 200 watts y) 300 watts z) 400 watts

Description : Two identical resistors are connected in parallel and consume 200 watts together. A third identical resistor is added in parallel. The total power consumed is: w) 100 watts x) 200 watts y) 300 watts z) 400 watts

Last Answer : ANSWER: Y -- 300 WATTS

In the illustrated circuit 'A', what power is consumed by a 3 ohm resistor with a 12 volt source? EL-0041 A. 12 watts B. 48 watts C. 64 watts D. 232 watts

Description : In the illustrated circuit 'A', what power is consumed by a 3 ohm resistor with a 12 volt source? EL-0041 A. 12 watts B. 48 watts C. 64 watts D. 232 watts

Last Answer : Answer: B

What power would be consumed by the series resistor of the circuit shown in the illustration if the source is 30 volts, the resistance of R1 is 10 ohms, R2 is 10 ohms, and R3 is 10 ohms? EL-0032 A. 5 watts B. 10 watts C. 20 watts D. 40 watts

Description : What power would be consumed by the series resistor of the circuit shown in the illustration if the source is 30 volts, the resistance of R1 is 10 ohms, R2 is 10 ohms, and R3 is 10 ohms? EL-0032 A. 5 watts B. 10 watts C. 20 watts D. 40 watts

Last Answer : Answer: D

Which of the following statements is true concerning simple parallel resistance circuits? A. The total current flow equals the sum of the individual currents. B. The total current flow equals the reciprocal of the sum of the individual currents. C. The total resistance equals the sum of the individual resistance. D. The total voltage equals the sum of the individual voltages across each resistance.

Description : Which of the following statements is true concerning simple parallel resistance circuits? A. The total current flow equals the sum of the individual currents. B. The total current flow equals the ... resistance. D. The total voltage equals the sum of the individual voltages across each resistance.

Last Answer : Answer: A

If proteins, carbohydrates and fats are consumed together: (A) The total SDA is the sum of individual SDAs of proteins, carbohydrates and fats (B) The total SDA is more than the sum of individual SDAs of proteins, carbohydrates and fats (C) Carbohydrates and fats lower the SDA of proteins (D) Proteins raise the SDA of carbohydrates and fats

Description : If proteins, carbohydrates and fats are consumed together: (A) The total SDA is the sum of individual SDAs of proteins, carbohydrates and fats (B) The total SDA is more than the sum of ... ) Carbohydrates and fats lower the SDA of proteins (D) Proteins raise the SDA of carbohydrates and fats

Last Answer : Answer : C

If two electrical loads are connected in parallel with each other and each load draw 6 amps what is the current of the circuit?

Description : If two electrical loads are connected in parallel with each other and each load draw 6 amps what is the current of the circuit?

Last Answer : 12 Amperes is.

What is the direction of current through the load resistor in the circuit shown in the illustration? EL-0085 A. Always from point 'Z' to the grounded end. B. Always from the grounded end to point 'Z'. C. It depends on the instantaneous polarity at point 'W'. D. It cannot be determined without a directional ammeter.

Description : What is the direction of current through the load resistor in the circuit shown in the illustration? EL-0085 A. Always from point 'Z' to the grounded end. B. Always from the grounded end to ... on the instantaneous polarity at point 'W'. D. It cannot be determined without a directional ammeter.

Last Answer : Answer: B

What would be the power consumed in the combined parallel section of the circuit shown in the illustration if the source were 30 volts and the resistance for R1 is 10 ohms, R2 is 10 ohms, and R3 is 10 ohms? EL-0032 A. 5 watts B. 10 watts C. 20 watts D. 40 watts

Description : What would be the power consumed in the combined parallel section of the circuit shown in the illustration if the source were 30 volts and the resistance for R1 is 10 ohms, R2 is 10 ohms, and R3 is 10 ohms? EL-0032 A. 5 watts B. 10 watts C. 20 watts D. 40 watts

Last Answer : Answer: C

Which of the following statements is true concerning the operation of two alternators in parallel? A. The cycles per second of each alternator are the same. B. Both alternator governors must be set with the same amount of speed droop. C. The number of field poles must be the same on each alternator. D. The load must always be divided equally between alternators.

Description : Which of the following statements is true concerning the operation of two alternators in parallel? A. The cycles per second of each alternator are the same. B. Both alternator governors must be set ... be the same on each alternator. D. The load must always be divided equally between alternators.

Last Answer : Answer: A

Coast Guard Regulations (46 CFR) require that each alternating current generator arranged for parallel operation shall be provided with _____________. A. more than one means of excitation B. individual circuit fuses C. a high back-pressure trip D. a reverse-power trip

Description : Coast Guard Regulations (46 CFR) require that each alternating current generator arranged for parallel operation shall be provided with _____________. A. more than one means of excitation B. individual circuit fuses C. a high back-pressure trip D. a reverse-power trip

Last Answer : Answer: D

As shown in the illustration if the applied voltage is 12 VDC, the resistance of R1 is 10 ohms, and R2 is 10 ohms what is the total power consumed by the circuit? EL-0036 A. 3.6 watts B. 72 watts C. 7.2 watts D. 36 watts

Description : As shown in the illustration if the applied voltage is 12 VDC, the resistance of R1 is 10 ohms, and R2 is 10 ohms what is the total power consumed by the circuit? EL-0036 A. 3.6 watts B. 72 watts C. 7.2 watts D. 36 watts

Last Answer : Answer: C

As shown in the illustration if the applied voltage is 12 VDC, the resistance of R1 is 110 ohms, and R2 is 10 kohms what is the total power consumed by the circuit? EL-0036 A. 3.6 watts B. 72 watts C. .0011286 watts D. .014243 watts

Description : As shown in the illustration if the applied voltage is 12 VDC, the resistance of R1 is 110 ohms, and R2 is 10 kohms what is the total power consumed by the circuit? EL-0036 A. 3.6 watts B. 72 watts C. .0011286 watts D. .014243 watts

Last Answer : Answer: D

What would be the total power consumed in the circuit shown in the illustration if the source is 30 volts the resistance for R1 is 10 ohms, R2 is 10 ohms, and R3 is 10 ohms? EL-0032 A. 10 watts B. 40 watts C. 45 watts D. 60 watts

Description : What would be the total power consumed in the circuit shown in the illustration if the source is 30 volts the resistance for R1 is 10 ohms, R2 is 10 ohms, and R3 is 10 ohms? EL-0032 A. 10 watts B. 40 watts C. 45 watts D. 60 watts

Last Answer : Answer: D

What is the total power consumed by the illustrated circuit if the supply is 24 volts and the resistances of R1 is 3 ohms, R2 is 4 ohms, and R3 is 5 ohms? EL-0020 A. 2 watts B. 12 watts C. 48 watts D. 288 watts

Description : What is the total power consumed by the illustrated circuit if the supply is 24 volts and the resistances of R1 is 3 ohms, R2 is 4 ohms, and R3 is 5 ohms? EL-0020 A. 2 watts B. 12 watts C. 48 watts D. 288 watts

Last Answer : Answer: C

In the illustration, the contacts between terminals 26 and 27 should be closed when _________. EL-0046 A. using one generator in isochronous mode only B. using two or more generators in parallel only C. the prime mover speed is to remain constant through varying loads in parallel or single operation D. the circuit breaker is closed for that generator

Description : In the illustration, the contacts between terminals 26 and 27 should be closed when _________. EL-0046 A. using one generator in isochronous mode only B. using two or more generators in ... through varying loads in parallel or single operation D. the circuit breaker is closed for that generator

Last Answer : Answer: C

The advantage(s) of the method of D.C. motor speed control shown in the illustration is/are ______________. EL-0101 A. elimination of armature starting resistor losses B. elimination of speed instability with variable loads C. the ease of reversing motor direction D. all of the above

Description : The advantage(s) of the method of D.C. motor speed control shown in the illustration is/are ______________. EL-0101 A. elimination of armature starting resistor losses B. elimination of speed instability with variable loads C. the ease of reversing motor direction D. all of the above

Last Answer : Answer: D

The maximum bending moment due to a train of wheel loads on a simply supported girder (A) Always occurs at centre of span (B) Always occurs under a wheel load (C) Never occurs under a wheel load (D) None of the above

Description : The maximum bending moment due to a train of wheel loads on a simply supported girder (A) Always occurs at centre of span (B) Always occurs under a wheel load (C) Never occurs under a wheel load (D) None of the above

Last Answer : (B) Always occurs under a wheel load

What power would be consumed in EACH of the branch resistors of the circuit shown in the illustration if the source is 30 volts, the resistance for R1 is 10 ohms, R2 is 10 ohms and R3 is 10 ohms? EL-0032 A. 5 watts B. 10 watts C. 20 watts D. 40 watts

Description : What power would be consumed in EACH of the branch resistors of the circuit shown in the illustration if the source is 30 volts, the resistance for R1 is 10 ohms, R2 is 10 ohms and R3 is 10 ohms? EL-0032 A. 5 watts B. 10 watts C. 20 watts D. 40 watts

Last Answer : Answer: B

The purpose of 'R6' in the winch circuit shown in the illustration is to _______________. EL-0102 A. maintain dry conditions within the winch brake box B. keep the series field current at a low value during 'fourth and fifth point lowering' C. act as the armature dynamic braking load to assist the winch in stopping D. limit the armature current during lowering operation with heavy loads

Description : The purpose of 'R6' in the winch circuit shown in the illustration is to _______________. EL-0102 A. maintain dry conditions within the winch brake box B. keep the series field current at ... to assist the winch in stopping D. limit the armature current during lowering operation with heavy loads

Last Answer : Answer: C

When a resistor is used as a shunt and is connected in parallel with a meter movement coil, it will provide _____________. A. a measurement of circuit resistance B. an increased accuracy of approximately 1.5 percent C. an extended meter range D. none of the above

Description : When a resistor is used as a shunt and is connected in parallel with a meter movement coil, it will provide _____________. A. a measurement of circuit resistance B. an increased accuracy of approximately 1.5 percent C. an extended meter range D. none of the above

Last Answer : Answer: C

A supply of 24 V DC is applied across a circuit which consist of three resistors connected in parallel R1= 1.2KΩ, R2= 560 Ω, R3= 2.1Ω and a fourth resistor of 7.8 Ω connected in series with the parallel group. Determine the current, voltage and power across each resistor

Last Answer : Req= (1/1200 +1/560 + 1/2.1)^-1        = 2.1 ohms RT= 2.1 + 7.8      = 9.9 ohms IT = V/R = 24/9.9                = 2.4 A Veq= R I =  2.1 2 ... 7.8         = 12.096 w                 = 44.928 w _________________________________________ By: Ellis-Junior Kamatjipose [email protected]

A series wound DC motor has its armature and field connected in series with a resistor. When the motor is disconnected from its power supply, this motor will exemplify __________. A. the proper connections for across the line starting B. the proper connections for an automatic strip heater C. a reversing controller circuit D. dynamic braking

Description : A series wound DC motor has its armature and field connected in series with a resistor. When the motor is disconnected from its power supply, this motor will exemplify __________. A. the ... the proper connections for an automatic strip heater C. a reversing controller circuit D. dynamic braking

Last Answer : Answer: D

The total discharge from two wells situated near to each other is(A) Sum of the discharges from individual wells (B) Less than the sum of the discharges from individual wells (C) Greater than the sum of the discharges from individual wells (D) Equal to larger of the two discharges from individual wells

Description : The total discharge from two wells situated near to each other is (A) Sum of the discharges from individual wells (B) Less than the sum of the discharges from individual wells (C) Greater ... of the discharges from individual wells (D) Equal to larger of the two discharges from individual wells

Last Answer : (B) Less than the sum of the discharges from individual wells

The least count of a Vernier scale is (A) Sum of the smallest divisions of main and Vernier scales (B) Value of one division of the primary scale divided by total number of divisions of Vernier scale (C) Value of one division of Vernier scale divided by total number of divisions of primary scale (D) None of these

Description : The least count of a Vernier scale is  (A) Sum of the smallest divisions of main and Vernier scales  (B) Value of one division of the primary scale divided by total number of divisions ... division of Vernier scale divided by total number of divisions of primary scale  (D) None of these 

Last Answer : (B) Value of one division of the primary scale divided by total number of divisions of Vernier  scale 

When an additional resistor is connected across an existing parallel circuit, the total resistance:

Description : When an additional resistor is connected across an existing parallel circuit, the total resistance: A. remains the same B. decreases by the value of the added resistor C. increases by the value of the added resistor D. decreases

Last Answer : When an additional resistor is connected across an existing parallel circuit, the total resistance: decreases

Two 100 watt light bulbs are connected in parallel across a 100 volt power supply. The total power developed in the circuit is _______________. A. 200 watts B. 100 watts C. 50 watts D. equal to the product of the amperes times the voltage in each branch

Description : Two 100 watt light bulbs are connected in parallel across a 100 volt power supply. The total power developed in the circuit is _______________. A. 200 watts B. 100 watts C. 50 watts D. equal to the product of the amperes times the voltage in each branch

Last Answer : Answer: A

Two resistors of `6 Omega " and " 9 Omega` are connected in series to a 120 V source. The power consumed by the `6 Omega` resistor is

Description : Two resistors of `6 Omega " and " 9 Omega` are connected in series to a 120 V source. The power consumed by the `6 Omega` resistor is

Last Answer : Two resistors of `6 Omega " and " 9 Omega` are connected in series to a 120 V source. The power consumed by ... 384 W B. 616 W C. 1500 W D. 1800 W

A series circuit consists of two resistors in series. R1 = 25 ohms and R2 = 30 ohms. The circuit current is 6 amps. What is the (a) source voltage, (b) voltage dropped by each resistor, (c) total power, and (d) power used by each resistor?

Description : A series circuit consists of two resistors in series. R1 = 25 ohms and R2 = 30 ohms. The circuit current is 6 amps. What is the (a) source voltage, (b) voltage dropped by each resistor, (c) total power, and (d) power used by each resistor?

Last Answer : (a) 330 volts. (b) E1 = 150 volts. E2 = 180 volts. (c) 1.98 kilowatts. (d) P1 = 900 watts. P2 = 1.08 kilowatts component but in a parallel circuit total current divides among the available paths.

The operator of electrical motors should keep a constant check on the loads they carry because _____________. A. low loads necessitate frequent insulation cleaning B. exceeding nameplate values shortens useful life C. energy is wasted if full loading is not utilized D. power factor correction methods are load dependent

Description : The operator of electrical motors should keep a constant check on the loads they carry because _____________. A. low loads necessitate frequent insulation cleaning B. exceeding nameplate values shortens ... wasted if full loading is not utilized D. power factor correction methods are load dependent

Last Answer : Answer: B

To equalize the power factor of two alternators operating in parallel, the ____________. A. field excitation of both units is adjusted B. governors of both units are adjusted C. phase sequence is altered D. kilowatt load is evenly divided

Description : To equalize the power factor of two alternators operating in parallel, the ____________. A. field excitation of both units is adjusted B. governors of both units are adjusted C. phase sequence is altered D. kilowatt load is evenly divided

Last Answer : Answer: A

In the illustration, 24 volts is applied to the circuit where the resistance for R1 is 3 ohms, R2 is 4 ohms, and R3 is 5 ohms. What is the power consumed in R2? EL-0020 A. 16 watts B. 20 watts C. 24 watts D. 28 watts

Description : In the illustration, 24 volts is applied to the circuit where the resistance for R1 is 3 ohms, R2 is 4 ohms, and R3 is 5 ohms. What is the power consumed in R2? EL-0020 A. 16 watts B. 20 watts C. 24 watts D. 28 watts

Last Answer : Answer: A

In the illustration, 24 volts is applied to the circuit where the resistance of R1 is 3 ohms, R2 is 4 ohms, and R3 is 5 ohms. What is the power consumed in R1? EL-0020 A. 2 watts B. 3 watts C. 6 watts D. 12 watts

Description : In the illustration, 24 volts is applied to the circuit where the resistance of R1 is 3 ohms, R2 is 4 ohms, and R3 is 5 ohms. What is the power consumed in R1? EL-0020 A. 2 watts B. 3 watts C. 6 watts D. 12 watts

Last Answer : Answer: D

A wattmeter is used to determine ____________. A. the power being consumed by electrical equipment B. partial circuit resistance C. current flowing in a circuit D. voltage existing between two points in a circuit

Description : A wattmeter is used to determine ____________. A. the power being consumed by electrical equipment B. partial circuit resistance C. current flowing in a circuit D. voltage existing between two points in a circuit

Last Answer : Answer: A

What is the power consumed by 'R3' in the circuit illustrated if the supply is 24 volts and resistance of R1 is 3 ohms, R2 is 4 ohms, and R3 is 5 ohms? EL-0020 A. 12 watts B. 20 watts C. 24 watts D. 48 watts

Description : What is the power consumed by 'R3' in the circuit illustrated if the supply is 24 volts and resistance of R1 is 3 ohms, R2 is 4 ohms, and R3 is 5 ohms? EL-0020 A. 12 watts B. 20 watts C. 24 watts D. 48 watts

Last Answer : Answer: B

What is the power consumed by 'R2' in the circuit illustrated, if the supply is 24 volts and the resistance of R1 is 3 ohms, R2 is 4 ohms, and R3 is 5 ohms? EL-0020 A. 16 watts B. 20 watts C. 24 watts D. 28 watts

Description : What is the power consumed by 'R2' in the circuit illustrated, if the supply is 24 volts and the resistance of R1 is 3 ohms, R2 is 4 ohms, and R3 is 5 ohms? EL-0020 A. 16 watts B. 20 watts C. 24 watts D. 28 watts

Last Answer : Answer: A

What is the power consumed by 'R1' in the circuit illustrated if the supply is 24 volts and the resistance of R1 is 3 ohms, R2 is 4 ohms, and R3 is 5 ohms? EL-0020 A. 2 watts B. 3 watts C. 6 watts D. 12 watts

Description : What is the power consumed by 'R1' in the circuit illustrated if the supply is 24 volts and the resistance of R1 is 3 ohms, R2 is 4 ohms, and R3 is 5 ohms? EL-0020 A. 2 watts B. 3 watts C. 6 watts D. 12 watts

Last Answer : Answer: D

In the illustration, the voltage applied to the circut is 12 VDC, the resistance for R1 is 10 ohms, and R2 is 10 ohms. What is the power consumed in 'R1' of the circuit shown in the illustration? EL-0036 A. 0.6 watts B. 3.6 watts C. 7.2 watts D. 120 watts

Description : In the illustration, the voltage applied to the circut is 12 VDC, the resistance for R1 is 10 ohms, and R2 is 10 ohms. What is the power consumed in 'R1' of the circuit shown in the illustration? EL-0036 A. 0.6 watts B. 3.6 watts C. 7.2 watts D. 120 watts

Last Answer : Answer: B

A resistor placed in parallel to the output of a power supply _____________. A. is a temperature compensator B. corrects power factor C. prevents excessive currents D. aids in output voltage regulation

Description : A resistor placed in parallel to the output of a power supply _____________. A. is a temperature compensator B. corrects power factor C. prevents excessive currents D. aids in output voltage regulation

Last Answer : Answer: D

In the illustration, the signal from the device connected to terminals 18 and 19 is __________. EL-0046 A. prime mover speed feedback B. loss of control alarm when comparing with the input signal from the resistor at the top of the speed sensing circuit card C. hall effect current to detect slip between the prime mover and the alternator D. to shut down the prime mover if overspeeding

Description : In the illustration, the signal from the device connected to terminals 18 and 19 is __________. EL-0046 A. prime mover speed feedback B. loss of control alarm when comparing with the input signal ... slip between the prime mover and the alternator D. to shut down the prime mover if overspeeding

Last Answer : Answer: A

Which is NOT a characteristic of a series circuit? w) The current is the same throughout. x) The total resistance is the sum of the individual resistance. y) The voltage of the source equals the sum of the circuit's individual voltage drops. z) The total resistance is the sum of the reciprocals of the individual resistances.

Description : Which is NOT a characteristic of a series circuit? w) The current is the same throughout. x) The total resistance is the sum of the individual resistance. y) The voltage of the source ... individual voltage drops. z) The total resistance is the sum of the reciprocals of the individual resistances.

Last Answer : ANSWER: Z -- THE TOTAL RESISTANCE IS THE SUM OF THE RECIPROCALS OF THE RECIPROCAL OF THE INDIVIDUAL RESISTANCES.

To remove an alternator operating in parallel with another unit from the main electrical bus, you must FIRST _________. A. adjust the power factor on both units B. set the desired voltage on the outgoing alternator C. open the circuit breaker on the outgoing alternator D. remove the load from the outgoing alternator

Description : To remove an alternator operating in parallel with another unit from the main electrical bus, you must FIRST _________. A. adjust the power factor on both units B. set the desired voltage on ... C. open the circuit breaker on the outgoing alternator D. remove the load from the outgoing alternator

Last Answer : Answer: D

After closing the circuit breaker to place two similar alternators in parallel, the NEXT step is to balance the _____________. A. power factor B. voltage load C. kilowatt load D. ampere load

Description : After closing the circuit breaker to place two similar alternators in parallel, the NEXT step is to balance the _____________. A. power factor B. voltage load C. kilowatt load D. ampere load

Last Answer : Answer: C

When measuring AC current flow, you must always connect the meter _____________. A. in series with the power source and load B. in parallel with the power source and load C. insuring correct polarity D. using the lowest range possible to prevent instrument damage

Description : When measuring AC current flow, you must always connect the meter _____________. A. in series with the power source and load B. in parallel with the power source and load C. insuring correct polarity D. using the lowest range possible to prevent instrument damage

Last Answer : Answer: A