A closely wound coil has a radius

Reference no: EM13656287

A closely wound coil has a radius of 6.30 cm and carries a current of 1.70 A. How many turns must it have if, at a point on the coil axis 6.30 cm from the center of the coil, the magnetic field is 7.00 10-4 T?

Reference no: EM13656287

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