Physics
Why is it not advisable to use a piece of copper wire as fuse wire in an electric circuit?
Related Questions
Explain the meaning of the statement ‘the current rating of a fuse is 5 A’.
(a) A switch is not touched with wet hands while putting it on or off. Give a reason for your answer.
(b) Name the wire to which a switch is connected.
An electrical 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.
How does the (i) thickness and (ii) length of a fuse wire depend on it's current rating?