In order to protect against electrical shocks, _is done in domestic circuits. It is a process of charge transfer from the metal case of an electrical appliance to the ground. This transfer of charges involves____.

earthing, conduction

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earthing, induction

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insulation, conduction

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insulation, induction

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Solution

The correct option is A
earthing, conduction

In order to protect against electrical shocks, earthing is done in domestic circuits. It is a process of charge transfer from the metal case of an electrical appliance to the ground. This transfer of charges involves conduction.

Suggest Corrections

Similar questions

Earthing is provided for electrical appliances in a building to protect it from ______.

Write true or false for each statement:

(a) A fuse wire has a high melting point.

(b) Flow of protons constitutes electric current.

(d) S.I. unit and commercial unit of electrical energy are same.

(e) Overloading of electric current in circuits can lead to short circuiting.

(f) Our body can pass electricity through it.

(g) The metallic cases of all appliances are insulators of electricity.

(h) The earth wire protects us from an electric shock.

(i) A switch should not be touched with wet hands.

(j) All electrical appliances in a household circuit work at the same voltage.

(k) In a cable,the green wire is the live wire.

(l) A fuse is connected to the live wire.

(m) A switch is connected to the neutral wire.

_______ is the process of transferring charge from a charged body to earth.

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