The wire carrying 400 A to the motor of a commuter train feels an attractive force of
Chapter 22, Problem 53(choose chapter or problem)
The wire carrying 400 A to the motor of a commuter train feels an attractive force of 4.00103 N/m due to a parallel wire carrying 5.00 A to a headlight. (a) How far apart are the wires? (b) Are the currents in the same direction?
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