A potential difference of 11 V is found to produce a current of 0.42 A in a 2.8 m length of wire with a uniform radius of 0.42 cm. Find the following values for the wire. (a) the resistance (in Ω)  Ω (b) the resistivity (in Ω · m)  Ω · m

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A potential difference of 11 V is found to produce a current of 0.42 A in a 2.8 m length of wire with a uniform radius of 0.42 cm. Find the following values for the wire.
(a)
the resistance (in Ω)
 Ω
(b)
the resistivity (in Ω · m)
 Ω · m
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