Q. In the circuit shown, the voltage drop across the resistor is having the polarity as indicated. The ratio of potential difference across resistor and resistance is :

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A

B

C

D

Solution:

In the circuit shown below all the currents are indicated which can be obtained by at all junctions.

Writing KVL equation in closed loop we have

Questions from Current Electricity

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2. In the network shown in figure, each resistance is equal to . The resistance between the points and is

3. A letter ' ' is constructed from a uniform wire with resistance per The sides of the letter are and the cross piece in the middle is long. The apex angle is The resistance between the ends of the legs is

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For which of these junctions, is the following equation correct ?

5. A battery of emf, is connected to resistances as shown in figure. The potential difference between the points and is

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