Question

The potential difference across a wire is 75V and its electric resistance is 30 ohm. Find out the electric current through the wire.

Answer 1

As V=IR
75=l × 30
I=75/30
I =2.5

Answer 2

$according \: to \: ohms \: law \\ v = ir \\ 75 = i \times 30 \\ i = \frac{75}{30} = 2.5 \: ampere$