A circuit with a resistance of 9 Omega has a fuse melts at 6 A. Can a voltage of 18 V be applied to the circuit without blowing the fuse?

1 Answer
Júlio B.
Jan 6, 2016

Yes, its possible.

Explanation:

To answer, apply the resistance formula, and if Current < 6, it will work without melting:
"Resistance" = "Voltage"/"Current"
9 Omega = (18 "V") /"Current"
"Current" = 18/9 = 2"A"

So, it is possible, because the current will be 2"A".

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