(a) At room temperature, what is the strength of the electric field in a 12 gauge copper wire (diameter 2.05 mm) that is needed to cause a 4.50 A current to flow? (b) What field would be needed if the wire were made of silver instead?
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(a) At room temperature, what is the strength of the electric
field in a 12 gauge copper wire (diameter 2.05 mm) that is needed to
cause a 4.50 A current to flow? (b) What field would be needed if the
wire were made of silver instead?
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