Question #346353

A 100-m-long copper wire of radius 0.12 mm is connected across a 1.5-V battery has 9.4 x 10^{19} electrons passing a cross section of the wire every 3.0 s. Calculate the resistance of this wire.

Expert's answer

"R=\\frac{V}{I}=\\frac{1.5}{5.0}=0.3\\:\\Omega"

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