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A cylindrical tungsten wire is 88cm long and has a resistance of 0.12 ohms. Resistivity is...

A cylindrical tungsten wire is 88cm long and has a resistance of 0.12 ohms. Resistivity is 5.6 x 10^-8. The wire is connected between the terminals of 0.50V battery which drives a current through the wire

A) what or the radius
B) what is the current being driven by battery
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Answer #1

0.12 = 0. 12

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