Current Electricity

Question: Two wires A and B of same material and same mass have radius $2r$ and $r$. If resistance of wire A is $34\,\Omega$, then resistance of B will be

1) $544\,\Omega $

2) $272\,\Omega $

3) 68\mathrm{\Omega}

4) $17\,\Omega $

Solution:

Explanation: No Explanation

Electric Conduction Ohm's Law Resistance

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