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Which of the following are devices that utilize electromagnets? Select all that apply? relay switches doorbells crane pulleys security locks
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3 votes
Which of the following are devices that utilize electromagnets? Select all that apply?

relay switches
doorbells
crane pulleys
security locks

User Mredig
by
8.5k points

1 Answer

2 votes
Doorbells and security locks!
User Ivan Smirnov
by
7.8k points
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