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Praveen kumar from GD DAV Public school Bhandarkola Deoghar, deoghar

Subject :NSO Class : Class 7

Which of the following appliances does not use an electromagnet?

A Washing machine
B Refrigerator
C Electric heater
D Electric bell

what is the use of electromagnet in a refrigerator

Ans 1:

Sanjay Kumar from Vellammal Vidyashram, Chennai

ans:c

DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata