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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.
How is a fuse put in an electric circuit?
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.
Explain the meaning of the statement ‘the current rating of a fuse is 5 A’.
An electric kettle is rated 3 kW, 250 V. Give reason whether this kettle can be used in a circuit which contains a fuse of current rating 13 A.
What is the rating of fuse used in light and fan circuits?
How does the length of a fuse wire depend on its current rating?
Two fuse wires are rated 5 A and 20 A. Which of the two is longer ?
