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Parallel Combination

All wires hav...

Question

All wires have same resistance and equivalent resistance between A and B is $R_{0}$ . Now keys are closed, then the equivalent resistance will become.

A

\frac{5 R_{0}}{3}

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B

\frac{7 R_{0}}{9}

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C

7 R_{0}

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D

\frac{R_{0}}{3}

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Solution

The correct option is B $\frac{7 R_{0}}{9}$

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