Applying an ac voltage to an electromagnetʹs coil Will produce a ________.
A)south magnetic field
B)north magnetic field
C)steady magnet field
D)changing magnetic field

Question

Quizplus · Accepted Answer

Applying an alternating current, or ac voltage, to an electromagnet's coil will produce a changing magnetic field. This is because the direction of the magnetic field will reverse with each cycle of the current.

Applying an Ac Voltage to an Electromagnetʹs Coil Will Produce