Consider the combination of resistor, The equivalent resistance between a and b is

Consider the combination of resistor, The equivalent resistance between a and b is
by

1 Answer

Answer :

Consider the combination of resistor, The equivalent resistance between a and b is A. `(R )/(6)` B. `(2R)/(3)` C. `(R )/(3)` D. `3R`
by
selected by

Related questions

A `5 Omega` resistor is connected in series with a parallel combination of n resistors of `6 Omega` each. The equivalent resistance is `7 Omega`. Find

Description : A `5 Omega` resistor is connected in series with a parallel combination of n resistors of `6 Omega` each. The equivalent resistance is `7 Omega`. Find

Last Answer : A `5 Omega` resistor is connected in series with a parallel combination of n resistors of `6 Omega ... The equivalent resistance is `7 Omega`. Find n.

A five ohm and a ten ohm resistor are connected in parallel, what single resistance is "equivalent" to this combination?

Description : A five ohm and a ten ohm resistor are connected in parallel, what single resistance is "equivalent" to this combination? 

Last Answer : ANSWER: 3 AND 1/3 OHM

Three identical cells each of emf 2 V and unknown internal resistance are connected in parallel. This combination is connected to a `5 Omega` resistor

Description : Three identical cells each of emf 2 V and unknown internal resistance are connected in parallel. This combination is connected to a `5 Omega` resistor

Last Answer : Three identical cells each of emf 2 V and unknown internal resistance are connected in parallel. ... what is the internal resistance of each cell ?

Find the equivalent resistance of the circuit shown in Fig.4.60 between the points A and B. Each resistor has a resistance r.

Description : Find the equivalent resistance of the circuit shown in Fig.4.60 between the points A and B. Each resistor has a resistance r.

Last Answer : Find the equivalent resistance of the circuit shown in Fig.4.60 between the points A and B. Each resistor has a resistance r.

The equivalent resistance of two resistor connected in series is `6 Omega` and their equivalent resistance is `(4)/(3)Omega`. What are the values of r

Description : The equivalent resistance of two resistor connected in series is `6 Omega` and their equivalent resistance is `(4)/(3)Omega`. What are the values of r

Last Answer : The equivalent resistance of two resistor connected in series is `6 Omega` and their equivalent resistance is `(4 ... , 2 Omega` D. `6 Omega, 2 Omega`

Three unequal resistor in parallel are equivalent to a resistance `1` ohm If two of them are in the ratio `1:2` and if no resistance value is fraction

Description : Three unequal resistor in parallel are equivalent to a resistance `1` ohm If two of them are in the ratio `1:2` and if no resistance value is fraction

Last Answer : Three unequal resistor in parallel are equivalent to a resistance `1` ohm If two of them are in the ratio `1:2` and ... in ohm is A. 4 B. 6 C. 8 D. 12

The first stage of a two-stage amplifier has a voltage gain of 10, a 600 Ω input resistor, a 1600Ω equivalent noise resistance and 27kΩ output resistor. For the second stage, these values are 25, 81kΩ, 19kΩ, and 1MΩ, respectively. Calculate the equivalent input-noise resistance of this two stage amplifier. A. 2,518 kΩ B. 2,518 Ω C. 251.8 Ω D. 12,518 Ω

Description : The first stage of a two-stage amplifier has a voltage gain of 10, a 600 Ω input resistor, a 1600Ω equivalent noise resistance and 27kΩ output resistor. For the second stage, these values are 25, 81kΩ, 19kΩ, and 1MΩ, ... this two stage amplifier. A. 2,518 kΩ B. 2,518 Ω C. 251.8 Ω D. 12,518 Ω

Last Answer : B. 2,518 Ω

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 wire of resistance R is cut into ‘n’ equal parts. These parts are then connected in parallel. The equivalent resistance of the combination will be – (1) nR (2) R/n (3) n/R (4) R/n²

Description : A wire of resistance R is cut into ‘n’ equal parts. These parts are then connected in parallel. The equivalent resistance of the combination will be – (1) nR (2) R/n (3) n/R (4) R/n²

Last Answer : (4) R/n² Explanation: Since R is directly proportional to length of the wire, when wire is cut into equal parts, then Resistance of each part = R/n

A wire of resistance R is cut into ‘n’ equal parts. These parts are then connected in parallel. The equivalent resistance of the combination will be

Description : A wire of resistance R is cut into ‘n’ equal parts. These parts are then connected in parallel. The equivalent resistance of the combination will be

Last Answer : R/n2

`6Omega` and `12Omega` resistors are connected in parallel. This combination is connected in series with 10 V battery and `6 Omega` resistor. What is

Description : `6Omega` and `12Omega` resistors are connected in parallel. This combination is connected in series with 10 V battery and `6 Omega` resistor. What is

Last Answer : `6Omega` and `12Omega` resistors are connected in parallel. This combination is connected in series with 10 V battery and ... 4 V B. 16 V C. 2 D. 8 V

A combination of N-type and P-type material is called a) Diode b) Transistor c) Resistor d) Capacitor

Description : A combination of N-type and P-type material is called a) Diode b) Transistor c) Resistor d) Capacitor

Last Answer : a) Diode

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

Two wires of the same dimensions but resistivities `rho_(1)` and `rho_(2)` are connected in series. The equivalent resistivity of the combination is

Description : Two wires of the same dimensions but resistivities `rho_(1)` and `rho_(2)` are connected in series. The equivalent resistivity of the combination is

Last Answer : Two wires of the same dimensions but resistivities `rho_(1)` and `rho_(2)` are connected in series. The equivalent ... (2))` D. `sqrt(rho_(1)rho_(2))`

The principles of antihypertensive drug usage enunciated in JNC VI and WHO-ISH guidelines include the following except: A. Therapy for grade I and II hypertension should be initiated with a single drug B. Dose of thiazide diuretic should be 12.5-25 mg hydrochlorothiazide or equivalent per day C. All subjects with BP higher than 140/90 mmHg should be put on antihypertensive medication immediately D. If the drug chosen initially fails to lower BP, it should be replaced by a drug/combination from another class

Description : The principles of antihypertensive drug usage enunciated in JNC VI and WHO-ISH guidelines include the following except: A. Therapy for grade I and II hypertension should be initiated with a single drug ... initially fails to lower BP, it should be replaced by a drug/combination from another class

Last Answer : C. All subjects with BP higher than 140/90 mmHg should be put on antihypertensive medication immediately

A two farad and a four farad capacitor are connected in parallel. What single capacitance is "equivalent" to this combination?

Description : A two farad and a four farad capacitor are connected in parallel. What single capacitance is "equivalent" to this combination? 

Last Answer : ANSWER: 6 FARADS

A two farad and a four farad capacitor are connected in series. What single capacitance is "equivalent" to this combination?

Description : A two farad and a four farad capacitor are connected in series. What single capacitance is "equivalent" to this combination?

Last Answer : ANSWER: 4/3 FARADS

Calculate the value of equivalent capacitance of the combination.

Description : Calculate the value of equivalent capacitance of the combination.

Last Answer : Calculate the value of equivalent capacitance of the combination

A 20 V battery of internal resistance `1 Omega` is connected to three coils of `12 Omega, 6 Omega` and `4 Omega` in parallel, a resistor of `5Omega` a

Description : A 20 V battery of internal resistance `1 Omega` is connected to three coils of `12 Omega, 6 Omega` and `4 Omega` in parallel, a resistor of `5Omega` a

Last Answer : A 20 V battery of internal resistance `1 Omega` is connected to three coils of `12 ... and the terminal potential difference across each battery.

Three identical, each of emf 2 V and internal resistance `0.2 Omega` are connected in series to an external resistor of `7.4 Omega`. Calculate the cur

Description : Three identical, each of emf 2 V and internal resistance `0.2 Omega` are connected in series to an external resistor of `7.4 Omega`. Calculate the cur

Last Answer : Three identical, each of emf 2 V and internal resistance `0.2 Omega` are connected in series to ... 7.4 Omega`. Calculate the current in the circuit.

Find the equivealent resistance of the circuit shown in Fig. 4.61 between the points P and Q. Each resistor has a resistance r.

Description : Find the equivealent resistance of the circuit shown in Fig. 4.61 between the points P and Q. Each resistor has a resistance r.

Last Answer : Find the equivealent resistance of the circuit shown in Fig. 4.61 between the points P and Q. Each resistor has a resistance r.

The sequence of bands marked on a carbon resistor is yellow , red orange and silver. What is its (a) resistance and (b) tolerance ?

Description : The sequence of bands marked on a carbon resistor is yellow , red orange and silver. What is its (a) resistance and (b) tolerance ?

Last Answer : The sequence of bands marked on a carbon resistor is yellow , red orange and silver. What is its (a) resistance and (b) tolerance ?

Copper and carbon wires are connected in series and the combined resistor is kept at `0^(@)C`. Assuming the combined resistance does not vary with tem

Description : Copper and carbon wires are connected in series and the combined resistor is kept at `0^(@)C`. Assuming the combined resistance does not vary with tem

Last Answer : Copper and carbon wires are connected in series and the combined resistor is kept at `0^(@)C`. Assuming the combined ... C)` A. 4 B. 8 C. 6 D. 2

The temperature coefficient of resistance of an alloy used for making resistor is

Description : The temperature coefficient of resistance of an alloy used for making resistor is

Last Answer : The temperature coefficient of resistance of an alloy used for making resistor is A. small and ... C. large and positive D. large and negative

Each resistor shown in the figure has a resistance of `10 Omega` and the battery has the emf 6 V. What will be the current supplied by the battery ?

Description : Each resistor shown in the figure has a resistance of `10 Omega` and the battery has the emf 6 V. What will be the current supplied by the battery ?

Last Answer : Each resistor shown in the figure has a resistance of `10 Omega` and the battery has the emf 6 V. What will be the ... 2 A` C. `1.8 A` D. `0.3 A`

The resistance of a carbon resistor of colour code Red-Red Green Silver is (in `k Omega`)

Description : The resistance of a carbon resistor of colour code Red-Red Green Silver is (in `k Omega`)

Last Answer : The resistance of a carbon resistor of colour code Red-Red Green Silver is (in `k Omega`) A. `22 00 pm 5%` ... pm 10%` C. `220 pm 10%` D. `220 pm 5%`

In the circuit shown here, what is the value of the unknown resistor R so that the total resistance of the circuit between points P and Q is also equa

Description : In the circuit shown here, what is the value of the unknown resistor R so that the total resistance of the circuit between points P and Q is also equa

Last Answer : In the circuit shown here, what is the value of the unknown resistor R so that the total resistance of the ... ` C. `sqrt(69)Omega` D. `10 Omega`

A 2 V battery, a `990Omega` resistor and a potentiometer of 2 m length, all are connected in series of the resistance of potentiometer wire is `10Omeg

Description : A 2 V battery, a `990Omega` resistor and a potentiometer of 2 m length, all are connected in series of the resistance of potentiometer wire is `10Omeg

Last Answer : A 2 V battery, a `990Omega` resistor and a potentiometer of 2 m length, all are connected in series of the resistance ... 0.01Vm^(-1)` D. `0.1Vm^(-1)`

What is the difference between resistance and resistor?

Description : What is the difference between resistance and resistor?

Last Answer : Resistance is the property of a conductor, which determines thequantity of current that passes through it when a potentialdifference is applied across it.A resistor is a electrical componet with a ... current you want to pass through acircuit, you would design the circuit with the requiredresistors

What will happen to resistance if you increase the area of the resistor?

Description : What will happen to resistance if you increase the area of the resistor?

Last Answer : I don’t know

What will happen to resistance if you increase the length of the resistor?

Description : What will happen to resistance if you increase the length of the resistor?

Last Answer : It won’t work

In the resistance colour code, the fourth band signifies – (1) tolerance level (2) power of ten (3) the total value of resistance (4) the material of the resistor

Description : In the resistance colour code, the fourth band signifies – (1) tolerance level (2) power of ten (3) the total value of resistance (4) the material of the resistor

Last Answer : (1) tolerance level Explanation: The first and second band represent the numerical value of the resistor, and the color of the third band specify the power-often multiplier. Reading the resistor from left to right, the fourth band represents the tolerance.

Which of the listed electrical devices is represented by the symbol shown in the illustration? EL-0055 A. Fixed resistance resistor B. Coil with magnetic core C. DC motor or generator shunt field D. Transformer

Description : Which of the listed electrical devices is represented by the symbol shown in the illustration? EL-0055 A. Fixed resistance resistor B. Coil with magnetic core C. DC motor or generator shunt field D. Transformer

Last Answer : Answer: D

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

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

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

For practical purposes, in a simple series circuit, the source voltage will be dropped across one resistor if it has ______________. A. half the resistance of the other resistor B. a resistance equal to the other C. at least ten times the resistance of the other D. a partial short circuit

Description : For practical purposes, in a simple series circuit, the source voltage will be dropped across one resistor if it has ______________. A. half the resistance of the other resistor B. a resistance equal to the other C. at least ten times the resistance of the other D. a partial short circuit

Last Answer : Answer: C

The resistance value of a resistor in a circuit can best be determined by the _____________. A. single solid body color of the resistor B. band markings on the resistor C. amperage value written on the resistor D. physical size of the resistor

Description : The resistance value of a resistor in a circuit can best be determined by the _____________. A. single solid body color of the resistor B. band markings on the resistor C. amperage value written on the resistor D. physical size of the resistor

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 third color band on a resistor is used to indicate the ______________. A. tolerance of the resistor B. number of zeros following the first two significant figures in the resistance value C. first significant figure of the resistance D. second significant figure of the resistance

Description : The third color band on a resistor is used to indicate the ______________. A. tolerance of the resistor B. number of zeros following the first two significant figures in the resistance value C. first significant figure of the resistance D. second significant figure of the resistance

Last Answer : Answer: B

To carry out an insulation resistance test, one terminal of the megohmmeter should be connected to the winding, with the other terminal being connected to the ____________________. A. power supply B. variable resistor C. frame of the machine D. armature

Description : To carry out an insulation resistance test, one terminal of the megohmmeter should be connected to the winding, with the other terminal being connected to the ____________________. A. power supply B. variable resistor C. frame of the machine D. armature

Last Answer : Answer: C

The arrow drawn through the resistor shown in the illustration indicates that it is _____________. EL-0086 A. for use in low power applications B. a carbon composition type C. a wire-wound type D. one whose resistance is variable

Description : The arrow drawn through the resistor shown in the illustration indicates that it is _____________. EL-0086 A. for use in low power applications B. a carbon composition type C. a wire-wound type D. one whose resistance is variable

Last Answer : Answer: D

An adjustable resistor, whose resistance can be changed without opening the circuit in which it is connected, is called a _____________. A. bleeder resistor B. rheostat C. bridge D. variable shunt strip

Description : An adjustable resistor, whose resistance can be changed without opening the circuit in which it is connected, is called a _____________. A. bleeder resistor B. rheostat C. bridge D. variable shunt strip

Last Answer : Answer: B

Motor controllers are seldom troubled with grounds because _____________. A. the auxiliary contacts have a high resistance connection B. the contactors and relays are mounted on a nonconducting panel C. the resistor banks are composed of individual series-connected units D. there are separate switches for the motor and the control

Description : Motor controllers are seldom troubled with grounds because _____________. A. the auxiliary contacts have a high resistance connection B. the contactors and relays are mounted on a nonconducting panel ... individual series-connected units D. there are separate switches for the motor and the control

Last Answer : Answer: B

A semiconductor that decreases in resistance with an increase in temperature is known as a _____________. A. resistor B. thermistor C. diode D. thermopile

Description : A semiconductor that decreases in resistance with an increase in temperature is known as a _____________. A. resistor B. thermistor C. diode D. thermopile

Last Answer : Answer: B

The square of the thermal noise voltage generated by a resistor is proportional to A. its resistance B. its temperature C. the bandwidth over which it is measured D. All of the above

Description : The square of the thermal noise voltage generated by a resistor is proportional to A. its resistance B. its temperature C. the bandwidth over which it is measured D. All of the above

Last Answer : D. All of the above

Indicate the false statement A. The noise generated in a resistance or the resistive component of any impedance is random. B. Random noise power is proportional to the bandwidth over which is measured C. A random voltage across the resistor does not exist D. All formula referring to random noise are applicable only to the value of such noise.

Description : Indicate the false statement A. The noise generated in a resistance or the resistive component of any impedance is random. B. Random noise power is proportional to the bandwidth over which is measured ... exist D. All formula referring to random noise are applicable only to the value of such noise.

Last Answer : C. A random voltage across the resistor does not exist

What would happen if the base resistor has zero resistance?

Description : What would happen if the base resistor has zero resistance?

Last Answer : If the base resistance is zero, then the base current is very high. Since, we know that the base current is directly proportional to the collector current with the multiplying factor of current ... high. In this time, the transistor operates in saturation region and finally it is being destroyed.