A circuit with a resistance of $6 Omega$ has a fuse melts at $5 A$ . Can a voltage of $18 V$ be applied to the circuit without blowing the fuse?

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Answer 1 · 2016-05-22T00:01:09

Yes, it can be applied.

$"Current" = "voltage"/" Resistance"$ .
i.e. $I =V/R$
So current in circuit $I$ = $18/6$ = $3$ $A$ .

Fuse capacity is $5$ $A$ . So it can be applied safely with out blowing fuse.

A circuit with a resistance of 6 Omega6 Omega has a fuse melts at 5 A5 A. Can a voltage of 18 V18 V be applied to the circuit without blowing the fuse?