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Electricity — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceElectricity1 Mark
MCQ
One kilowatt hour is equal to.
  • A
    $36 \times 10^6 \mathrm{~J}$
  • B
    $36 \times 10^{-5} \mathrm{~J}$
  • ✓
    $3.6 \times 10^6 \mathrm{~J}$
  • D
    $0.36 \times 10^6 \mathrm{~J}$
✓

Answer

Correct option: C.
$3.6 \times 10^6 \mathrm{~J}$
One kilowatt $-$ hour is equal to $3.6 \cdot 10^6$ joules :

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