Current in wire if magnetic field at center of loop is zero

Reference no: EM13657793

A circular loop has a current of 7.00 amps in the clockwise direction and a radius of 10.0 cm. The center of the loop is 20.0 cm above a long straight wire. What is the direction and magnitude of the current in the wire if the magnetic field at the center of the loop is zero?

Reference no: EM13657793

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