Electrical energy — task. Physics CBSE Live product, Class 10 (2026-27).

Select the correct answer:

Which unit is commonly used in commerce to quantify electrical energy? Represent its value in joules.

The commercial unit of electric energy is .

\begin{array}{l} 1 kilowatt hour = i kilowatt \times i hour \\ = i kW \times (i \times i) s \\ = i W \times i s \\ = i \times 10^{i} J \end{array}

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8. Electrical energy