Current Electricity

Question: A metal wire of specific resistance $64\times 10^{-6}ohm-cm$ and length 198 cm has a resistance of 7 ohm, the radius of the wire will be

1) 2.4 cm

2) 0.24 cm

3) 0.024 cm

4) 24 cm

Solution:

Explanation: No Explanation

Electric Conduction Ohm's Law Resistance

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