Discussion :: Electronic Principles
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Which one of the following phrases best describes residual magnetism?
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A.
Magnetism that remains in the core of an electromagnet after the current through the coil is turned off
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B.
The force of attraction between the poles of a permanent and temporary magnetic field
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C.
The amount of magnetic flux that is not confined to the core material of an electromagnet
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D.
The circular magnetic field that surrounds a conductor carrying a current
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E.
None of the above
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Answer : Option A
Explanation :
No answer description available for this question.
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