Physics
Complete the following sentences —
(a) A fuse is a short piece of wire of high ………. and of material low ………..
(b) 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 ………..
(c) A fuse is connected in ………. with the ………. wire.
(d) Higher the current rating, ………. is the fuse wire.
(e) Live wire is also called ………. wire.
Household Circuits
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Answer
(a) A fuse is a short piece of wire of high resistance and of material low melting point.
(b) A fuse wire is made of an alloy of lead and tin. If the current in a circuit exceeds the current rating of the fuse wire it melts.
(c) A fuse is connected in series with the live wire.
(d) Higher the current rating, thicker is the fuse wire.
(e) Live wire is also called phase wire.
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