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Question
By reversing the direction of the current in an electromagnet, the magnetic field produced by it:
Options
increases in strength
remains unchanged in strength and direction
gets reversed in direction
decreases in strength
MCQ
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Solution
Gets reversed in direction
Explanation:
Reversing the current reverses the direction of the magnetic field, so the north and south poles of the electromagnet get interchanged. Its strength depends on the amount of current and the number of turns, not on the direction of the current.
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