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A copper wire of radius 0.1 mm and resis...

A copper wire of radius 0.1 mm and resistance `1 k Omega` is connected across a power supply of 20 V. (i) How many electrons are transferred per second between the supply and the wire at one end ? (ii) Write down the current density in the wire.

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Verified by Experts

The correct Answer is:
`n=1/1.6xx10^(17)=1.25xx10^(17)`
`1/(2pi)xx10^(6)A//m^(2)`
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RESONANCE-CURRENT ELECTRICITY-Exercise-1 (Part-1)
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