MP Board · Class 11 · Physics · Work, Energy and PowerOne kilowatt-hour (kWh) is equal to how many joules?
Step-by-Step Solution
$1 \text{ kWh} = 1000 \text{ W} \times 3600 \text{ s} = 3.6 \times 10^6 \text{ J}$.
Detailed Options Breakdown
Option : $3.6 \times 10^5 \text{ J}$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Work, Energy and Power.
Option 1: $3.6 \times 10^6 \text{ J}$ (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: $10^3 \text{ J}$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Work, Energy and Power.
Option 3: $10^7 \text{ J}$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Work, Energy and Power.
💡 Study Guide: This question tests core syllabus concepts from Work, Energy and Power. For formulas, key summaries, and mock exam reference guides, read the full Work, Energy and Power Revision Notes.