A coil of wire, or solenoid, consists of a ... is flowing in the coil. Your thumb points to the north pole of the electromagnet. The magnetic field produced by the current in a coil of wire ...
A coil of wire, or solenoid, consists of a ... is flowing in the coil. Your thumb points to the north pole of the electromagnet. The magnetic field produced by the current in a coil of wire ...
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