Electromagnet is a permanent magnet. TRUE or FALSE
Speakers use magnet to convert sound to electricity. TRUE or FALSE
Door bells and buzzers use electromagnet. TRUE or FALSE
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Electromagnet is a permanent magnet. TRUE or FALSE
Speakers use magnet to convert sound to electricity. TRUE or FALSE
Door bells and buzzers use electromagnet. TRUE or FALSE
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Answer:
Electromagnet is a permanent magnet. TRUE or FALSE
Speakers use magnet to convert sound to electricity. TRUE or FALSE
Door bells and buzzers use electromagnet. TRUE or FALSE
Answer:
1.TRUE
2.TRUE
3.TRUE
Explanation:
Correct me if I'm wrong;-)