A) 30 watts
Memorize the PIE triangle to make this type of question super easy to solve.
|NJ2X PIE Triangle (Power, Current, Voltage)|
Just cover up the desired variable to find the equation. In this example:
P = I * E
P = 2.5 amperes * 12 vots = 30 watts
Easy as PIE!
Written by: NJ2X, Michael Maher