Current Electricity

Question: The specific resistance of a wire is $\rho$, its volume is 3${m^3}$ and its resistance is 3 ohms, then its length will be

1) $\sqrt {\frac{1}{\rho }}$

2) $\frac{3}{{\sqrt \rho }}$

3) $\frac{1}{\rho }\sqrt 3 $

4) $\rho \sqrt {\frac{1}{3}}$

Solution:

Explanation: No Explanation

Electric Conduction Ohm's Law Resistance

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