Question

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.....​

Answer 1

Answer:

electromagnet may be the reason to the ring electric bell

Answer 2

Answer:

Elecromagnet is the reason to ring the electric bell of the door