Who will spend more electrical
energy? 500 W TV Set in 30 mins,
or 600 W heater in 20 mins?
Answers
Answered by
5
Answer:
500 W TV in 30 min.
Explanation:
Energy = Power × Time of usage
500 × (30×60)s = 900,000.
600 × (20×60)s = 720,000.
:)
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