PH-1016

Power

Physics · Secondary 3 · Medium · Power

A 1200 W microwave oven is used to heat food for 2.5 minutes. Assuming all the electrical energy is converted to thermal energy in the food, how much energy does the food receive?

$1.8 \times 10^5$ J
$4.8 \times 10^4$ J
$7.2 \times 10^5$ J
$3.0 \times 10^3$ J

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