Determine what is the resulting current in the wire

Reference no: EM13535061

(a) A 34.7-m length of copper wire at 20.0°C has a radius of 0.23 mm. If a potential difference of 7.0 V is applied across the length of the wire, determine the current in the wire.

(b) If the wire is heated to 40.0°C while the 7.0-V potential difference is maintained, what is the resulting current in the wire?

Reference no: EM13535061

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