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प्रश्न
Name the material of fuse. State one characteristic of the material used for fuse.
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उत्तर
An alloy of lead and tin is used as a material of fuse because it has low melting point and high resistivity. The use of fuse safeguards the circuit and appliances connected in that circuit from being damaged.
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संबंधित प्रश्न
Explain the meaning of the student 'current rating of a fuse is 5A'.
A fuse is connected in ______ with the ______ wire.
Describe with the aid of a diagram some form of a fuse which is used in the electric lighting circuit of a house. Give two reasons why a fuse must not be replaced by an ordinary copper wire.
Two fuse wire of same length are rated 5 A and 20 A. Which of the two is thicker?
(i) Write one advantage of connecting electrical appliances in parallel combination.
(ii) What characteristics should a fuse wire have ?
(iii) Which wire in a power circuit is connected to the metallic body of the appliance ?
How does the thickness of a fuse wire depend on its current rating?
Where are the cartridge type fuse used?
State the purpose of using a fuse in a circuit.
Why is it not advisable to use a piece of copper wire as fuse wire in an electric circuit?
