Which of the following reasons is to ring the electric bell of the door?
a) Pulley and Chain b) Powerful bar magnet .c) Elecromagnet d) Horseshoe magnet.
plz ans.....
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Answered by
5
Answer:
electromagnet may be the reason to the ring electric bell
Answered by
1
Answer:
Elecromagnet is the reason to ring the electric bell of the door
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