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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.
संबंधित प्रश्न
Explain the meaning of the student 'current rating of a fuse is 5A'.
Two fuse wire of same length are rated 5 A and 20 A. Which of the two is thicker?
Explain the meaning of the statement ‘the current rating of a fuse is 5 A’.
‘A fuse is rated 8 A’. can it be used with an electrical appliance of rating 5kW, 200V?
How does the thickness of a fuse wire depend on its current rating?
Why fuse wire must always be connected in ‘live’ wire? Explain.
What is the rating of fuse used in power circuits, in domestic use?
Identify the option that displays the correct wiring with correct colour code:
Two fuse wires are rated 5 A and 20 A. Which of the two is longer ?
Name two safety devices which are connected to the live wire of a household electric circuit.
