Discussion :: Electronic Principles
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The core of an electromagnet is said to be in saturation when:
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A.
the core is permitted to move freely within the coil
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B.
an increase in current through the coil causes no further increase in the mmf
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C.
frequent changes in the direction of current through the coil causes heating effects in the core material
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D.
changing the polarity of the current in the coil changes the polarity of the magnetic field around the core
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E.
None of the above
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Answer : Option B
Explanation :
No answer description available for this question.
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