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29 September, 05:16

How much electrical energy is used by a 350 W television that is operating for

25 minutes?

O

A. 21,000 J

O

B. 650,000 u

C. 8750 J

O

D. 525,000

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Answers (1)
  1. 29 September, 08:52
    0
    525,000J

    Explanation:

    Power = work/time

    Given

    Power = 350 watts

    Time = 25 mins = 25 x 60 = 1500 secs

    Therefore

    350 = work/1500

    Cross multiply

    Work = 350 x 1500

    Work = 525,000J
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