Multiple choice

Calculate the value in unit of the commercial unit of electric energy, which is kilowatt hour (kW h),

  1. 3.6 × 106 joule

  2. 0.277 joule

  3. 16.66 joule

  4. 60000 joule

  5. 6000 joule
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A Correct answer
Explanation

1 kW h = 1000 watt × 3600 second = 3.6 × 106 watt second = 3.6 × 106 joule (J)

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