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Earthing

What is the m...

Question

What is the main purpose of earthing electrical appliances?

A

To present overloading

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B

To present short circuting

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C

To prevent the person form electric shock

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D

None of these

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Solution

The correct option is C To prevent the person form electric shock
In case of earthed appliances, if there is any leakage of current, or the live wire comes in contact with its body then the current flows to the ground through earth wire.

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Q. Question 12
The most important safety method used for protecting home appliances from short circuiting or overloading is

(a) earthing
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(c) use of stabilizers
(d) use of electric meter

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(ii) On what effect of electricity does the above device work?

Q. Name the device used to protect the electric circuits from overloading and short circuits.

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