Uses of Magnets


 
 
Concept Explanation
 

Uses of Magnets

Uses of Magnets: Common uses of magnets are based on simple magnetic attraction or repulsion as in magnetic refrigerator latches.

Magnets have several uses:

1. Motors, generators and loudspeakers have powerful magnets.Smaller electromagnets are used in relays, switches, loud speakers, microphones, clocks, ammeters, voltmeters and speedometers etc.

Loud Speaker

Motor

Generator

Head Phones

Refrigerator Latch

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Sample Questions
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Question : 1

Common  uses  of magnets are based on simple magnetic____________ as in the case of magnetic refrigerator latches.

Right Option : C
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Question : 2

Which of these would be attracted to a magnet?

Right Option : D
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Question : 3

Which of the following are correct :

(a) Magnets are used in Motors, generators and loudspeakers.

(b) In scrapyards, magnets are used to separate iron and steel from junk materials.

 

Right Option : C
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