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प्रश्न
A fuse is a short piece of wire of high ______ and of material of low ______.
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उत्तर
A fuse is a short piece of wire of high resistance and of material of low melting point.
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संबंधित प्रश्न
Explain the meaning of the student 'current rating of a fuse is 5A'.
Name the factors on which the heat produced in a wire depends when current is passed in it, and state how does it depend on the factors stated by you.
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 ______.
‘A fuse is rated 8 A’. can it be used with an electrical appliance of rating 5kW, 200V?
Higher the current rating, _______ is the fuse wire.
The rating of a fuse connected in the lighting circuit is ______.
Why fuse wire must always be connected in ‘live’ wire? Explain.
What is the rating of fuse used in power circuits, in domestic use?
(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.
