Physics
Electricity and Magnetism
Two long parallel wires of negligible resistance are connected at

Two long parallel wires of negligible resistance are connected at one end to a resistance R and

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Two long parallel wires of negligible resistance are connected at one end to a resistance R and at the other end to a dc voltage source. The distance between the axes of the wires is η = 20 times greater than the cross-sectional radius of each wire. At what value of resistance R does the resultant force of interaction between the wires turn into zero?

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There are excess surface charges on each wire irrespective of whether the current is flowing through ...View the full answer

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Question Posted: Jun 14, 2010 05:02 AM

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