Question

Which of these appliances does not use an electromagnet?
(a) Washing machine
(b) refrigerator
(c) room heater
(d) electric bell

Answer 1

a) washing machine
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Answer 2

The room heater does not use an electromagnet. (Option C)

• The washing machine has a motor which helps to rotate the clothes compartment inside the washing machine. And a motor will always contain an electromagnet.

• The refrigerator has compressor which contain motor,and obviously an electromagnet.

• The electric bell is one of the most common practial usage of the electromagnet.

• Only, the room heater doesn't contain any kind of electromagnet,it only has a coil of high resistance metal which heats up by the electricity flow.