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Electric Potential and Potential Difference

If a resistan...

Question

If a resistance $R_{2}$ is connected in parallel with the resistance $R$ in the circuit shown, then possible value of current through $R$ and the possible value of $R_{2}$ will be

A

\frac{I}{3}, R

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B

I, 2 R

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C

\frac{I}{3}, 2 R

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D

\frac{I}{2}, R

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Solution

The correct option is D $\frac{I}{2}, R$
According to the figure, $(I - I_{1}) R_{2} = I_{1} R$

Only two values satisfying the above relation are $\frac{I}{2}$ and $R$ .

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