Question

If a current of `3 A` passing through a circuit generates `36 W` of power, what is the resistance of the circuit?

Answer 1

`R=4 Ohms`

Explanation:

Here

`P=36W`
`I=3A`
`R=?`

We know,

`R=P/I^2`

`R=36/3^2`

`R=36/9`

`R=4 Ohms`