RRB Group D 5-Nov-2018 Shift 2 Solved Paper

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If the value of a fuse is 8A, then:

Fuse will start working only when the current is more than 8A.
The fuse will have a magnetic induction of more than 8.
The fuse will melt if the current exceeds 8A.
Fuse will work only when current is exactly 8A.

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