A microwave oven has a power requirement of 1256 W. A frozen dinner requires 4.0 min to heat on full power.

(a) How much electrical energy (in kWh) is used?

1 answer

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.

1256 W = 1.256 kW

4min/60min = .067 hour

1.256 * .067 = ?