Electricity Ncert Solutions Class 10 [patched] Jun 2026

(a) $I^2R$ (b) $IR^2$ (c) $VI$ (d) $V^2/R$ Answer: (b) $IR^2$ Explanation: Power ($P$) is given by $P = VI$. Using Ohm's Law ($V = IR$): $P = (IR) \times I = I^2R$ (Option a is correct). $P = V \times (\fracVR) = \fracV^2R$ (Option c is correct). Option (b) $IR^2$ is not a valid formula for power.

Understand why a fuse is connected in series or why household appliances are connected in parallel. Conclusion electricity ncert solutions class 10