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electricity — Science STD 10 — Question

Gujarat BoardEnglish MediumSTD 10Scienceelectricity1 Mark
Question
How much energy is consumed by $2 \ kW \ AC$ when used for $2$ hour?
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Answer

  • Electric energy $E = P \times t$
  • $= 2 kW \times 2$ hour
  • $= 4 kWh$
  • Where, 1 kWh $= 3.6 × 10^6$ J

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