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प्रश्न
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उत्तर
संबंधित प्रश्न
State the characteristics required in a material to be used as an effective fuse wire.
For a fuse, higher the current rating ______ is the fuse wire.
A fuse is connected in ______ with the ______ wire.
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.
‘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 ?
Higher the current rating, _______ is the fuse wire.
How does the thickness of a fuse wire depend on its current rating?
Why fuse wire must always be connected in ‘live’ wire? Explain.
Why is it not advisable to use a piece of copper wire as fuse wire in an electric circuit?
