A circuit with a resistance of #9 Omega# has a fuse melts at #6 A#. Can a voltage of #45 V# be applied to the circuit without blowing the fuse?

1 Answer

Answer:

Yes, a voltage of #45\ V# can be applied to the circuit without blowing the fuse

Explanation:

The electric current #I#, flowing through the circuit of resistance #R=9\Omega# when a voltage of #45\ V# is applied, is given by Ohm's law

#I=V/R#

#=45/9#

#=5\ A#

It is given that the fuse melts at current #6\ A# while the electric current through the circle is less i.e. #5\ A#

Hence, a voltage of #45\ V# can be applied to the circuit without blowing the fuse