# How much power is produced if a voltage of #8 V# is applied to a circuit with a resistance of #2 Omega#?

##### 1 Answer

Jan 16, 2016

#### Explanation:

Ohm's Law states that V = I*R, and P = V*I.

So,

Calculate the circuit current from the first equation, and then calculate the power from the second equation.

I = V/R ; P = V*V/R or