Which one of the following phrases best describes residual magnetism?

Question

Options:

A . Magnetism that remains in the core of an electromagnet after the current through the coil is turned off

B . The force of attraction between the poles of a permanent and temporary magnetic field

C . The amount of magnetic flux that is not confined to the core material of an electromagnet

D . The circular magnetic field that surrounds a conductor carrying a current

E . None of the above

Answer: Option A

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