Current Electricity

Question: A uniform wire of resistance $R$ is uniformly compressed along its length, until its radius becomes n times the original radius. Now resistance of the wire becomes

1) $\frac{R}{n^4}$

2) $\frac{R}{n^2}$

3) $\frac{R}{n}$

4) $nR$

Solution:

Explanation: No Explanation

Electric Conduction Ohm's Law Resistance

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