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January 25, 2015

Homework Help: Electricity help needed please

Posted by Abdu on Friday, November 15, 2013 at 5:49am.

Two spherical conducting wires A and B are connected to the same potential difference. Wire A is three times as long as wire B, with a radius double that of wire B and resistivity doubles that of wire B. What is the power delivered to wire A to the power delivered to wire B?
The MCQ answers are:
2/3
1/3
3/3
4/2
3/2

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