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प्रश्न
State the purpose of using a fuse in a circuit.
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उत्तर
The appliance and circuit must be protected from short circuits.
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संबंधित 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 ______.
Why is the fuse wire fitted in a porcelain casing?
‘A fuse is rated 8 A’. can it be used with an electrical appliance of rating 5kW, 200V?
(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?
What is the rating of fuse used in light and fan circuits?
(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.
Why is it not advisable to use a piece of copper wire as fuse wire in an electric circuit?
