A potential difference of 12 V is found to produce a current of 0.40 A in a 3.2-m length of wire with a uniform radius of 0.40 cm. What is (a) the resistance of the wire? (b) The resistivity of the wire?

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A potential difference of 12 V is found to produce
a current
of 0.40 A in a 3.2 - m length of wire with a uniform
radius of
0.40 cm. What is (a) the resistance of the wire? (b)
The resistivity
of the wire?
Transcribed Image Text:A potential difference of 12 V is found to produce a current of 0.40 A in a 3.2 - m length of wire with a uniform radius of 0.40 cm. What is (a) the resistance of the wire? (b) The resistivity of the wire?
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