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Physics CBSE Live product
Class 10 (2026-27)
Electricity
Heating effect of a current
6.
Electric power
Question:
2
m.
Select the best answer:
1
.
Which of the following is NOT a correct expression for electric power?
\(P\ =\ \frac{V^2}{R}\)
\(P\ =\ VI\)
\(P\ =\ I^2R\)
\(P\ =\ \frac{I^2}{R}\)
2
.
One kilowatt is equal to
\(10\ watts\)
\(10000\ watts\)
\(100\ watts\)
\(1000\ watts\)
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