A circuit with a resistance of $8 Omega$ has a fuse with a capacity of $3 A$ . Can a voltage of $25 V$ be applied to the circuit without blowing the fuse?

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Answer 1 · 2018-03-08T13:10:10

Nope

Ohm's Law states that

$V=ItimesR$

Voltage should be

$V=8times3 = 24$ volts.

But you want to apply 25 volts. You should either drop the circuit's resistance or choose a fuse that is able to handle this resistance.

A circuit with a resistance of 8 Omega8 Omega has a fuse with a capacity of 3 A3 A. Can a voltage of 25 V25 V be applied to the circuit without blowing the fuse?