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प्रश्न
Name two safety devices which are connected to the live wire of a household electric circuit.
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उत्तर
Switch and fuse.
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संबंधित प्रश्न
Explain the meaning of the student 'current rating of a fuse is 5A'.
For a fuse, higher the current rating ________ is the fuse wire.
A fuse is rated 8A. Can it be used with an electrical appliance rated 5 KW, 200 V ? Give a reason.
Why is the fuse wire fitted in a porcelain casing?
Explain the meaning of the statement ‘the current rating of a fuse is 5 A’.
(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 ?
Name the material of fuse. State one characteristic of the material used for fuse.
Two fuse wires are rated 5 A and 20 A. Which of the two is longer ?
Why is it not advisable to use a piece of copper wire as fuse wire in an electric circuit?
