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प्रश्न
A fuse wire is made of an alloy of ______ and ______. If the current in a circuit exceeds the current rating of the fuse wire, it ______.
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उत्तर
A fuse wire is made of an alloy of lead and tin. If the current in a circuit exceeds the current rating of the fuse wire, it melts.
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संबंधित प्रश्न
What is a fuse?
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’.
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 an ‘electric fuse’? State its two characteristics of electric fuse.
(a) Name the electrical appliance shown in the diagram below.
(b) Name the material of the wire used in this device.
(c) Name two important characteristics of this wire.
Name two safety devices which are connected to the live wire of a household electric circuit.
