Name the safety devices which are connected to the live wire of a household electrical circuit.

A switch and Earthing Wire

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A fuse and Earthing Wire

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A switch and a safety fuse

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A switch and Neutral Wire

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Solution

The correct option is C
A switch and a safety fuse

A switch and a safety fuse. A switch is used to make or break an electric circuit and a safety fuse is used to limit the current in an electric circuit.

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Similar questions

A switch must be connected in the :

(a) live wire

(b) neutral wire

(d) either earth or neutral wire.

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.

The main fuse is connected in :

(a) live wire

(b) neutral wire

(d) both the earth and neutral wires.

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