NCERT · Class 9 · Science · Work and EnergyWhat is commercial unit of electrical energy?
Step-by-Step Solution
The commercial unit of electrical energy is kilowatt-hour (kWh), commonly known as a 'unit'. 1 kWh = $3.6 \times 10^6$ Joules.
Detailed Options Breakdown
Option : Joule
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Work and Energy.
Option 1: Watt
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Work and Energy.
Option 2: Kilowatt-hour (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: Newton-second
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Work and Energy.
💡 Study Guide: This question tests core syllabus concepts from Work and Energy. For formulas, key summaries, and mock exam reference guides, read the full Work and Energy Revision Notes.