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When a potential difference is applied to the piece of metal wire, a current of 4.1...

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Physics

When a potential difference is applied to the piece of metalwire, a current of 4.1 mA flows through it. if this wire isreplaced with a silver wire having twice the diameter of theoriginal wire, how much current will flow through the silverwire?

Assume that the lengths of the potential difference across bothwires are the same. ( the resistivity of the original metal is1.68x10^-2 ohm . m, and the resistivity of silver is 1.6x10^-8 ohm. m )

Answer & Explanation Solved by verified expert
4.3 Ratings (685 Votes)
Let us assumePotential difference across each wire VLength of each wire LGiven For the original wireCurrent Io 41    See Answer
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