Combination of Resistors

Practice Questions:

Question 1: 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 2: 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 3: 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 4: 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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Question 5: difficult

Find the equivalent resistance between point A and B. (all resistors are in ohms)

1. 5 Ω

2. 4 Ω

3. 3 Ω

4. 6 Ω

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