PH-988
Power
Physics · Secondary 3 · Easy · Power
A microwave oven delivers 5.0 × 10⁵ J of useful energy to food in 250 s. What is the useful power output of the oven?
- 2.0 × 10³ W
- 5.0 × 10² W
- 1.3 × 10³ W
- 2.5 × 10⁴ W
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