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How do electromagnets differ from regular magnets? a) they can be turned on or off b) Their polarity can be reversed c) Their strength can be changed d) All of the above

How do electromagnets differ from regular magnets? a) they can be turned on or off b) Their polarity can be reversed c) Their strength can be changed d) All of the above
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How do electromagnets differ from regular magnets?

a) they can be turned on or off

b) Their polarity can be reversed


c) Their strength can be changed


d) All of the above

asked
User Kemotoe
by
8.2k points

2 Answers

2 votes

it is D: All of the above

answered
User Austen Holland
by
8.6k points
4 votes
their polarity can be reversed
answered
User Peaceful
by
8.3k points
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