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

Which of the following are devices that utilize electromagnets? Select all that apply? relay switches doorbells crane pulleys security locks
asked 154k views
3 votes
Which of the following are devices that utilize electromagnets? Select all that apply?

relay switches
doorbells
crane pulleys
security locks

asked
User Mredig
by
8.5k points

1 Answer

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