# A circuit with a resistance of #6 Omega# has a fuse that melts at #8 A#. Can a voltage of #42 V# be applied to the circuit without blowing the fuse?

##### 1 Answer

Mar 11, 2018

Yes, it can be applied.

#### Explanation:

First, we need to find the voltage at which the fuse melts.

Thus, we use Ohm's law here, which states that

The fuse melts at

We get:

So, the fuse will melt at

Since

So, a voltage of