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Per NCERT §5.10, the unit kilowatt-hour (kWh) measures which physical quantity?
APower
BVoltage
CEnergy
DForce
Answer & Solution
Correct answer: C. Energy
NCERT §5.10: kWh = power × time = energy. Used in electricity bills. 1 kWh = 3.6 × 10⁶ J.
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