Why is fuse wire used in electric circuits-To increase current flowing in the circuit-For the protection of electrical appliances and circuit-To prevent nbsp-insulation-To increase the voltage-

Byju's Answer

Standard VII

Physics

Electric Bulb and Electric Fuse

Why is fuse w...

Question

Why is fuse wire used in electric circuits?

To increase current flowing in the circuit.

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For the protection of electrical appliances and circuit.

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To prevent insulation.

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To increase the voltage.

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Solution

The correct option is B
For the protection of electrical appliances and circuit.

Fuse wire is used in electric circuits to prevent the excess current flowing into the circuit and therefore preventing the appliances from getting damaged.

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Similar questions

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.

Q. In an electric iron being used in a household, the plastic insulation of live wire and neutral wire in the connecting cable gets torn. Due to this, naked live wire touches the naked neutral wire directly and the electric fuse of the circuit blows off.
(a) What term is used to indicate the touching of naked live wire and neutral wire directly?
(b) When the naked wires touch each other directly, what happens to the resistance of the circuit so formed?
(c) What happens to the current flowing through the wires under these conditions?
(d) Which wire connected to the body of an electric iron protects the person using this electric iron from electric shock?

Define the term current rating of an electric fuse. Name the material used to make electric fuse and also name two safety measure commonly used in electric circuit and appliances.

Fuse is a safety device used in circuits which prevents damage to electrical appliances and avoids fire.

Why are fuse wires used in the electrical circuits at home? Why are they not used in a circuit containing electric cells?

Why is fuse wire used in electric circuits?

The correct option is B For the protection of electrical appliances and circuit. Fuse wire is used in electric circuits to prevent the excess current flowing into the circuit and therefore preventing the appliances from getting damaged.

The correct option is B
For the protection of electrical appliances and circuit.

Fuse wire is used in electric circuits to prevent the excess current flowing into the circuit and therefore preventing the appliances from getting damaged.