Identify the relation of first pair and fill the second one.
Heating coil: Nichrome
Fuse:________
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melting point of Nichrome is high . so Nichrome is used as heating coil
in fuse a thin copper wire is use when high current is passed through it , it suddenly brakes the circuit .
it is used as fuse because copper has low melting point than high melting point of Nichrome
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