Based on which of the following effects of current does an electric fuse
work?
a) heating effect
b) chemical effect
c) magnetic effect
d) both heating and magnetic effect
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Answer:
The electric fuse works on the principle of the heating effect of electric current. It consists of a piece of wire made of a metal or an alloy of low melting point. As the current increases beyond a limit, the wire in the electric fuse melts and breaks off.
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Answer: d
d) both heating and magnetic effect
]
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