Combination of Resistors - NEET Physics Questions
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Combination of Resistors

Question 1: moderate

Find effective resistance between A & C if each resistor is of 6Ω.

1. 4 Ω
2. 2 Ω
3. 2.4 Ω
4. 3 Ω
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Question 2: moderate

Potential difference between C and B /[\left( V_{C}-V_{B} \right)/] in the circuit is :

1. 15 V
2. 38 V
3. 20 V
4. 9 V
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Question 3: easy

The resistance of two conductors in series is 40 Ω and this becomes 7.5 Ω in parallel, the resistances of conductors are:

1. 20 Ω, 20 Ω
2. 10 Ω, 30 Ω
3. 15 Ω, 25 Ω
4. 18 Ω, 22 Ω
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Question 4: difficult

Twelve wires, each of resistance R, are connected to form a cube as shown in the figure. The effective resistance between A and B is :-

1. R/6
2. R/3
3. 5R/3
4. 5R/6
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Question 5: moderate

In the following circuit diagram, the current flowing through resistor of 1/4Ω is :

1. 1 A
2. 60 A
3. 30 A
4. None of these
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Question 6: moderate

In the given circuit the current flowing through the resistance 20 ohms is 0.3 ampere while the ammeter reads 0.8 ampere. What is the value of R1?

1. 30 ohms
2. 40 ohms
3. 60 ohms
4. 50 ohms
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Question 7: difficult

In the given figure if r = 2 Ω then the current flown through the battery is –

1. 3A
2. 4A
3. 5/2 A
4. 3/2 A
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Question 8: moderate

Six resistors each of 10 W are connected as shown. The equivalent resistance between points X and Y is :

1. 20 Ω
2. 5 Ω
3. 25/3 Ω
4. 10 Ω
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Question 9: difficult

In the given network, the equivalent resistance between A and B is:

1. 6 Ω
2. 16 Ω
3. 7 Ω
4. 5 Ω
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Question 10: difficult

What is the current in branch AB of the circuit shown?

1. 1.5 A
2. 2 A
3. 1.33 A
4. Infinite
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