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Byju's Answer

Standard IX

Physics

Domestic Circuits

Mark the corr...

Question

Mark the correct statement about the material to be used in fuse wire.

Low melting point

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Low boiling point

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High electric resistance

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All

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Solution

The correct option is D All
Fuse wire has
$\to$ Low melting point
$\to$ low boiling point
$\to$ High electric resistance

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Similar questions

Q. The material used in making the wire of an electric fuse should have a high melting point.

Q. Statement I: A fuse is connected in parallel connection in an electric circuit.
Statement II: A fuse wire should be a conductor with a low melting point.

Select the correct alternative:

(a) All wires used in electric circuits should be covered with:

(i) colouring material

(ii) conducting material

(iii) an insulting material

(iv) none of the above.

(b) Electrical work done per unit time is:

(i) electrical energy

(ii) electric current

(iii) electric voltage

(iv) electric power

(i) 100 watt (ii) 1000 watt

(iii) 10 watt (iv) none of the these.

(d) Fuse wire is an alloy of :

(i) tin-lead (ii) copper-lead

(iii) tin-copper (iv) lead-silver

(e) A fuse wire should have :

(i) a low melting point

(ii) high melting point

(iii) very high melting point

(iv) none of the above.

(f) When the switch of an electric appliance is put off, it disconnects:

(i) the live wire

(ii) the neutral wire

(iii) the earth wire

(iv) the live and the neutral wires.

(g) The purpose of an electric meter in a house is :

(i) to give the cost of electricity directly

(ii) to give the consumption of electrical energy

(iii) to safeguard the circuit from short circuiting

(iv) to put on or off the mains.

(h) If out of the two lighted bulbs in a room, one bulb suddenly fuses, then:

(i) other bulb will glow more

(ii) other bulb will glow less

(iii) other bulb will also fuse

(iv) other bulb will remain lighted unaffected.

Q. In electric fuse, some special wire is used, which is having _______ melting point

Q. Assertion :Fuse wire must have high resistance and low melting point. Reason: Fuse is used for small current flow only.

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Mark the correct statement about the material to be used in fuse wire.

The correct option is D AllFuse wire has → Low melting point→ low boiling point→ High electric resistance

The correct option is D All
Fuse wire has
$\to$ Low melting point
$\to$ low boiling point
$\to$ High electric resistance