Energy:

$\overline{){\mathbf{E}}{\mathbf{=}}{\mathbf{P}}{\mathbf{t}}}$, where P is power and t is time.

Power:

How much energy does a heater use if it runs for 10 minutes when connected to a 120 Volt outlet drawing 10 Amps of current?

a. 12 joules

b. 1200 joules

c. 720000 joules

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Power in Circuits concept. You can view video lessons to learn Power in Circuits. Or if you need more Power in Circuits practice, you can also practice Power in Circuits practice problems.