How much voltage is needed to produce 2.5 A of current through a 200 ohms resistor?

How much voltage is needed to produce 2.5 A of current through a 200 ohms resistor?

A.50 V

B.500 V

C.80 V

D.8 V
by

4 Answers

Answer :

How much voltage is needed to produce 2.5 A of current through a 200 ohms resistor?

A.50 V

B.500 V

C.80 V

D.8 V

by

Answer :

500V
by

Answer :

B
by

Answer :

500 V
by

Related questions

When there is 12 mA of current through a 1.2 k ohms resistor, the voltage across the resistor is?

Description : When there is 12 mA of current through a 1.2 k ohms resistor, the voltage across the resistor is? A.14.4 V B.1.4 V C.100 V D.10 V

Last Answer : When there is 12 mA of current through a 1.2 k ohms resistor, the voltage across the resistor is? A.14.4 V B.1.4 V C.100 V D.10 V

Four amperes of current are measured through a 24 ohms resistor connected across a voltage

Description : Four amperes of current are measured through a 24 ohms resistor connected across a voltage source. How much voltage does the source produce? A.960 V B.9.6 V C.96 V D.8 V

Last Answer : Four amperes of current are measured through a 24 ohms resistor connected across a voltage source. How much voltage does the source produce? A.960 V B.9.6 V C.96 V D.8 V

An LED is operated on a 12 volt automobile circuit. The voltage drop across the LED is 2 volts and the current must be limited to 50 milliamps to prevent its overheating and destruction. What size resistor must be used? w) 60 ohms x) 100 ohms y) 120 ohms z) 200 ohms

Description : An LED is operated on a 12 volt automobile circuit. The voltage drop across the LED is 2 volts and the current must be limited to 50 milliamps to prevent its overheating and destruction. What size resistor must be used? w) 60 ohms x) 100 ohms y) 120 ohms z) 200 ohms

Last Answer : ANSWER: Z -- 200 OHMS

A circuit is to be designed in which a capacitor must charge to 40 percent of the maximum charging voltage in 200 microseconds. The resistor to be used has a resistance of 40,000 ohms. What size capacitor must be used?

Description : A circuit is to be designed in which a capacitor must charge to 40 percent of the maximum charging voltage in 200 microseconds. The resistor to be used has a resistance of 40,000 ohms. What size capacitor must be used?

Last Answer : 0.1 microfarads 40% from the graph = 0.5

If an incandescent lamp of 80 ohms resistance takes a current of 0.75 ampere, what voltage is

Description : If an incandescent lamp of 80 ohms resistance takes a current of 0.75 ampere, what voltage is required to light it? A.45 volts B.60 volts c.23 volts D.None of these

Last Answer : V=IR    = 80*0.75     = 60 volts

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.

An ammeter has a full-scale deflection current of 100mA. If the same ammeter is used to measure a full-scale current of 1.0ampere, what is the value of the shunt resistor in ohms if the voltage across the meter is 9.0 volts?

Description : An ammeter has a full-scale deflection current of 100mA. If the same ammeter is used to measure a full-scale current of 1.0ampere, what is the value of the shunt resistor in ohms if the voltage across the meter is 9.0 volts?

Last Answer : 10 ohms

What amount of current will flow through resistance of 10 ohms when it is connected across a

Description : What amount of current will flow through resistance of 10 ohms when it is connected across a potential difference of 20 volts? A.30 amperes B.5 amperes C.10 amperes D.2 amperes

Last Answer : 2 amperes

In the illustrated circuit, what is the resistance across R2 if the battery voltage is 32 VDC, the resistance of R1 is 1.2 kohms and the current through R2 is 18.82 milliamps? EL-0036 A. 500 ohms B. 1,200 ohms C. 10 ohms D. The answer can not be found with the information given.

Description : In the illustrated circuit, what is the resistance across R2 if the battery voltage is 32 VDC, the resistance of R1 is 1.2 kohms and the current through R2 is 18.82 milliamps? EL-0036 A. 500 ohms B. 1,200 ohms C. 10 ohms D. The answer can not be found with the information given.

Last Answer : Answer: A

A circuit has a resistance of 200 ohms. The resistance of the circuit can be reduced to 120 ohms by adding which of the following to the circuit. w) 80 ohm resistor in series x) 150 ohm resistor in parallel y) 240 ohm resistor in series z) 300 ohm resistor in parallel

Description : A circuit has a resistance of 200 ohms. The resistance of the circuit can be reduced to 120 ohms by adding which of the following to the circuit. w) 80 ohm resistor in series x) 150 ohm resistor in parallel y) 240 ohm resistor in series z) 300 ohm resistor in parallel

Last Answer : ANSWER: Z -- 300 OHM RESISTOR IN PARALLEL

What would be the voltage drop across 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 volts B. 10 volts C. 20 volts D. 30 volts

Description : What would be the voltage drop across 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 volts B. 10 volts C. 20 volts D. 30 volts

Last Answer : Answer: C

Twelve volts are applied across a resistor. A current of 3 mA is measured. What is the value of

Description : Twelve volts are applied across a resistor. A current of 3 mA is measured. What is the value of the resistor? A.4 ohms B.400 ohms C.4 kohms D.4.4 ohms

Last Answer : Twelve volts are applied across a resistor. A current of 3 mA is measured. What is the value of the resistor? A.4 ohms B.400 ohms C.4 kohms D.4.4 ohms

A resistance of 3.3 M ohms is connected across a 500 V source. The resulting current is approximately?

Description : A resistance of 3.3 M ohms is connected across a 500 V source. The resulting current is approximately? A.15.1 μA B.151 μA C.66 mA D.660 mA

Last Answer : A

When a voltage of 132 VDC is applied to the illustrated circuit with a resistance of 237 ohms the current will be ________. EL-0018 A. 1.236 amps B. 2.048 amps C. 0.557 amps D. 4.200 amps

Description : When a voltage of 132 VDC is applied to the illustrated circuit with a resistance of 237 ohms the current will be ________. EL-0018 A. 1.236 amps B. 2.048 amps C. 0.557 amps D. 4.200 amps

Last Answer : Answer: C

The current through a flashlight bulb is 40 mA and the total battery voltage is 4.5 V. The

Description : The current through a flashlight bulb is 40 mA and the total battery voltage is 4.5 V. The resistance of the bulb is approximately? A.112 ohms B.11.2 ohms C.1.2 ohms D.18 ohms

Last Answer : 112ohm

Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor

Description : Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is? A.16.54 V B.1.65 V C.10.60 V D.5.93 V

Last Answer : Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is? A.16.54 V B.1.65 V C.10.60 V D.5.93 V

If three wires of 3 ohms, 9 ohms and 5 ohms respectively are connected in series, what their

Description : If three wires of 3 ohms, 9 ohms and 5 ohms respectively are connected in series, what their resultant resistance? A.10 ohms B.12 ohms C.17 ohms D.5 ohms

Last Answer : If three wires of 3 ohms, 9 ohms and 5 ohms respectively are connected in series, what their resultant resistance? A.10 ohms B.12 ohms C.17 ohms D.5 ohms

The colored bands for a 4,700 ohm resistor with a ten percent tolerance are?

Description : The colored bands for a 4,700 ohm resistor with a ten percent tolerance are? A.yellow, violet, red, gold B.yellow, violet, orange, gold C.yellow, violet, red, silver D.orange, violet, red, silver

Last Answer : The colored bands for a 4,700 ohm resistor with a ten percent tolerance are? A.yellow, violet, red, gold B.yellow, violet, orange, gold C.yellow, violet, red, silver D.orange, violet, red, silver

When the pointer of an analog ohmmeter reads close to zero, the resistor being measured is?

Description : When the pointer of an analog ohmmeter reads close to zero, the resistor being measured is? A.overheated B.shorted C.open D.reversed

Last Answer : When the pointer of an analog ohmmeter reads close to zero, the resistor being measured is? A.overheated B.shorted C.open D.reversed

A two-terminal variable resistor is known as a?

Description : A two-terminal variable resistor is known as a? A.potentiometer B.thermistor C.rheostat D.wiper

Last Answer : A two-terminal variable resistor is known as a? A.potentiometer B.thermistor C.rheostat D.wiper

The minimum resistance value for a blue, gray, red, silver resistor is?

Description : The minimum resistance value for a blue, gray, red, silver resistor is? A.612 ohms B.6,120 ohms C.6,800 ohms D.6,460 ohms

Last Answer : The minimum resistance value for a blue, gray, red, silver resistor is? A.612 ohms B.6,120 ohms C.6,800 ohms D.6,460 ohms

An open resistor, when checked with an ohm-meter reads?

Description : An open resistor, when checked with an ohm-meter reads?

Last Answer : An open resistor, when checked with an ohm-meter reads infinite.

The turns ratio required to match an 80 ohms source to a 320 ohms load is?

Description : The turns ratio required to match an 80 ohms source to a 320 ohms load is? A.80 B.20 C.4 D.2

Last Answer : c

If the diameter of a conductor of 10 ohms is doubled, its new resistance would be?

Description : If the diameter of a conductor of 10 ohms is doubled, its new resistance would be? A.20 ohms B.5 ohms C.40 ohms D.2.5 ohms

Last Answer : 4

An amplifier operating over the frequency range of 455 to 460 kHz has a 200 kΩ input resistor. What is the RMS noise voltage at the input to this amplifier if the ambient temperature is 17˚C ? A. 40 µV B. 4.0 µV C. 400 µV

Description : An amplifier operating over the frequency range of 455 to 460 kHz has a 200 kΩ input resistor. What is the RMS noise voltage at the input to this amplifier if the ambient temperature is 17˚C ? A. 40 µV B. 4.0 µV C. 400 µV

Last Answer : B. 4.0 µV

The voltage induced across a certain coil is 200 mV. A 1200 resistor is connected to the coil terminals....

Description : The voltage induced across a certain coil is 200 mV. A 1200 resistor is connected to the coil terminals. The induced current will be: A. 1.7 mA B. 16 mA C. 12 mA D. 120 mA

Last Answer : The voltage induced across a certain coil is 200 mV. A 1200 resistor is connected to the coil terminals. The induced current will be: 1.7 mA

In the circuit shown in Fig. 4.63, the terminal voltage of the battery is 6.0 V. Find the current I through the `18 Omega` resistor.

Description : In the circuit shown in Fig. 4.63, the terminal voltage of the battery is 6.0 V. Find the current I through the `18 Omega` resistor.

Last Answer : In the circuit shown in Fig. 4.63, the terminal voltage of the battery is 6.0 V. Find the current I through the `18 Omega` resistor.

If current of 20 mA is passing through op-amp and voltage drop across series resistor is 10 V then value of resistance is A. 500Ω B. 400Ω C. 300Ω D. 200Ω

Description : If current of 20 mA is passing through op-amp and voltage drop across series resistor is 10 V then value of resistance is A. 500Ω B. 400Ω C. 300Ω D. 200Ω

Last Answer : 500Ω

If the rms voltage drop across a 15 kilt resistor is 16 V, the peak current through the resistor is : -

Description : If the rms voltage drop across a 15 kilt resistor is 16 V, the peak current through the resistor is : -  a) 15 mA b) 1.5 mA c) 10 mA d) 1 mA

Last Answer : If the rms voltage drop across a 15 kilt resistor is 16 V, the peak current through the resistor is : - 1.5 mA

As shown in the illustration if the applied voltage is 12 VDC, the resistance of R1 is 24 kohms, and R2 is 3610 ohms what is the current flowing through R1? EL-0036 A. .434 milliamps B. .005 amp C. 6.00 amps D. 2.4 milliamps

Description : As shown in the illustration if the applied voltage is 12 VDC, the resistance of R1 is 24 kohms, and R2 is 3610 ohms what is the current flowing through R1? EL-0036 A. .434 milliamps B. .005 amp C. 6.00 amps D. 2.4 milliamps

Last Answer : Answer: A

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 current flowing through R1? EL-0036 A. 0.6 amp B. 0.833 amp C. 1.2 amps D. 2.4 amps

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 current flowing through R1? EL-0036 A. 0.6 amp B. 0.833 amp C. 1.2 amps D. 2.4 amps

Last Answer : Answer: A

What is the current flowing through R2 of the illustrated circuit if the voltage is 12 VDC and the resistance of R1 is 2 ohms, R2 is 3 ohms and R3 is 6 ohms? EL-0021 A. 2 amps B. 4 amps C. 6 amps D. 12 amps

Description : What is the current flowing through R2 of the illustrated circuit if the voltage is 12 VDC and the resistance of R1 is 2 ohms, R2 is 3 ohms and R3 is 6 ohms? EL-0021 A. 2 amps B. 4 amps C. 6 amps D. 12 amps

Last Answer : Answer: B

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 current flowing through R2? EL-0036 A. 0.6 amp B. 0.833 amp C. 1.2 amps D. 2.4 amps

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 current flowing through R2? EL-0036 A. 0.6 amp B. 0.833 amp C. 1.2 amps D. 2.4 amps

Last Answer : Answer: A

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

A carbon resistor has a resistance of 50 ohms, and a tolerance of 5 percent. What are the colors of bands one, two, three, and four, respectively?

Description : A carbon resistor has a resistance of 50 ohms, and a tolerance of 5 percent. What are the colors of bands one, two, three, and four, respectively?

Last Answer : The bands are green, black, black, and gold.

Why not high resistance for earth fault than using grounding transformer & resistor 0.45 ohms?

Description : Why not high resistance for earth fault than using grounding transformer & resistor 0.45 ohms?

Last Answer : It is mechanically unwide. Difficult to manufacture.  

Four equal resistors are connected in parallel, each resistor has an ohmic value of 100 ohms, what is the equivalent resistance?

Description : Four equal resistors are connected in parallel, each resistor has an ohmic value of 100 ohms, what is the equivalent resistance?

Last Answer : 25 ohms

When 2,4 and 6 ohms resistor are connected in parallel their resultant equivalent resistance will be A. 12ohm b. 11/12ohm C. 12/11ohm d. None

Description : When 2,4 and 6 ohms resistor are connected in parallel their resultant equivalent resistance will be A. 12ohm b. 11/12ohm C. 12/11ohm d. None

Last Answer : C. 12/11ohm

A transformer has a turns ratio of two to one. If a 100 ohm resistor is connected on the high side, its resistance as measured on the low side would be: w) 25 ohms x) 50 ohms y) 100 ohms z) 400 ohms

Description : A transformer has a turns ratio of two to one. If a 100 ohm resistor is connected on the high side, its resistance as measured on the low side would be: w) 25 ohms x) 50 ohms y) 100 ohms z) 400 ohms

Last Answer : ANSWER: W -- 25 OHMS

A resistor with the color coded value of 1000 ohms and ± 10% tolerance can have an actual resistance...

Description : A resistor with the color coded value of 1000 ohms and ± 10% tolerance can have an actual resistance between ________. A. 990 ohm and 1010 ohm B. 900 ohm and 1100 ohm C. 1000 ohm and 1100 ohm D. 900 ohm and 1000 ohm. 

Last Answer : A resistor with the color coded value of 1000 ohms and ± 10% tolerance can have an actual resistance between 900 ohm and 1100 ohm.

A metal resistor has resistance of 10 ohm at 0°C and 11 ohms at 160°C, the temperature coefficient is

Last Answer : A metal resistor has resistance of 10 ohm at 0°C and 11 ohms at 160°C, the temperature coefficient is 0.000625 /°C.

A coil is wound with 200 feet of No. 16 tinned copper wire and connected to a 12 volt battery. What is the current if the resistance per 1000 feet of No. 16 tinned copper wire is 4.26 ohms? A. 1.14 amps B. 7.04 amps C. 10.22 amps D. 14.08 amps

Description : A coil is wound with 200 feet of No. 16 tinned copper wire and connected to a 12 volt battery. What is the current if the resistance per 1000 feet of No. 16 tinned copper wire is 4.26 ohms? A. 1.14 amps B. 7.04 amps C. 10.22 amps D. 14.08 amps

Last Answer : Answer: D

An electrical component is connected across a 120 volt 60 hertz AC supply. What is the current drawn by the component if the impedance is 200 ohms? A. 0.01 amperes B. 0.60 amperes C. 1.67 amperes D. 100 amperes

Description : An electrical component is connected across a 120 volt 60 hertz AC supply. What is the current drawn by the component if the impedance is 200 ohms? A. 0.01 amperes B. 0.60 amperes C. 1.67 amperes D. 100 amperes

Last Answer : Answer: B

How much resistance is needed to draw 17.6 mA from a 12 volt source?

Description : How much resistance is needed to draw 17.6 mA from a 12 volt source? A.212 ohms B.6.8 kohms C.68 ohms D.680 ohms

Last Answer : How much resistance is needed to draw 17.6 mA from a 12 volt source? A.212 ohms B.6.8 kohms C.68 ohms D.680 ohms

A light bulb has a resistance of 5 ohms and a maximum current of 10 A. How much voltage can be applied before the bulb will break?

Description : A light bulb has a resistance of 5 ohms and a maximum current of 10 A. How much voltage can be applied before the bulb will break?

Last Answer : 50-Voltage

A resistor of value R/2 is connected in parallel with a resistor of value R/3. The voltage drop across the parallel combination is V. The total current supplied by the voltage source is: w) 2 V/R (read: 2 V over R) x) 3 V/R (read: 3 V over R) y) 4 V/R (read: 4 V over R) z) 5 V/R (read: 5 V over R)

Description : A resistor of value R/2 is connected in parallel with a resistor of value R/3. The voltage drop across the parallel combination is V. The total current supplied by the voltage source is: w) 2 V/R (read: 2 V over R) x) 3 V/R (read: 3 V over R) y) 4 V/R (read: 4 V over R) z) 5 V/R (read: 5 V over R)

Last Answer : ANSWER: Z -- 5 V/R

The turns ratio of a transformer having 200 primary turns and 1,200 secondary turns is?

Description : The turns ratio of a transformer having 200 primary turns and 1,200 secondary turns is? A.6 B.24 C.1.66 D.66

Last Answer : The turns ratio of a transformer having 200 primary turns and 1,200 secondary turns is? A.6 B.24 C.1.66 D.66

Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as?

Description : Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as?

Last Answer : Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 2 : 5.

When a voltage of 132 VDC is applied to the illustrated circuit with a resistance of 10,230 ohms the current will be ________. EL-0018 A. 0.012 amps B. 77.5 milliamps C. 10,362 amps D. 0.792 amps

Description : When a voltage of 132 VDC is applied to the illustrated circuit with a resistance of 10,230 ohms the current will be ________. EL-0018 A. 0.012 amps B. 77.5 milliamps C. 10,362 amps D. 0.792 amps

Last Answer : Answer: A