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Resistance of a conductor of length l an...

Resistance of a conductor of length l and area of cross-section A is R. If its length is doubled and area of cross-section is halved, then find its new resistance.

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To find the new resistance of a conductor when its length is doubled and its area of cross-section is halved, we can follow these steps: ### Step 1: Understand the formula for resistance The resistance \( R \) of a conductor is given by the formula: \[ R = \frac{\rho L}{A} \] where: ...
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