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Class 10 Science Medium Mcq English Medium

The commercial unit of electrical energy, commonly called a 'unit' on electricity bills, is:

Question
The commercial unit of electrical energy, commonly called a 'unit' on electricity bills, is:
Watt
Joule
Kilowatt-hour (kWh)
Ampere-hour
Answer
Kilowatt-hour (kWh)
Detailed Explanation
The kilowatt-hour (kWh), commonly called a 'unit', is the commercial unit used for billing electrical energy.
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