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A Piece of Soft Iron Is Placed in a Solenoid

Question 29

Multiple Choice

A piece of soft iron is placed in a solenoid increasing the magnetic field in an arrangement that can be switched on and off. Such a device is called


A) an electromagnet.
B) an electrosolenoid.
C) a permanent magnet.
D) a ferromagnet.
E) a hysteresis loop.

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