How much electrical energy (in kwh) is used

Reference no: EM131237312

A microwave oven has a power requirement of 1250 W. A frozen dinner requires 4.0 min to heat on full power.

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

(b) If the cost of electricity is 12¢ per kWh, how much does it cost to heat the dinner? (See Table 4.4.)

Reference no: EM131237312

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