Question

How much power is produced if a voltage of `3 V` is applied to a circuit with a resistance of `14 Omega`?

Answer 1

`0.64` W.

Explanation:

The power dissipated by a resistance `R` with an applied voltage of `V` is

`P=V^2/R`

In your case

`P=3^2/14=9/14=0.64` W.