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Q.

Is it true that appliances like refrigerators and microwaves use magnets?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
Magnets:
An object capable of producing magnetic behaviour and attracting unlike poles and repelling like poles.
Non-magnet:
An object is not capable of producing magnetic behaviour and attracting, unlike poles and repelling like poles.
Home appliances such as the microwave oven, refrigerator, and electric fan, company's office equipment such as computers and printers, all these devices use magnets.
For example: In microwave ovens, the microwaves are produced by an electron tube called a magnetron which converts electrical and magnetic currents into a very powerful form of heat.
 
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