Q.

In the following questions, a statement of Assertion (A) is given followed by a corresponding statement of Reason (R) just below it. Of
the statement mark the correct answer.

(A) : Kilo-watt hour is the unit of electric power.
(R) : KWH is a commercial unit used for expressing consumed electric energy.

Moderate

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Both ‘A’ and ‘R’ are true and ‘R’ is the correct explanation of ‘A’.

Both ‘A’ and ‘R’ are true and ‘R’ is not the correct explanation of ‘A’

‘A’ is true and ‘R’ is false

‘A’ is false and ‘R’ is true

answer is D.

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Detailed Solution

Kilowatt-hour is the unit of electrical energy because kW is a unit of power and hour is a unit of time such that the product of power and time is energy.
Also, kWh is a commercial unit used for expressing consumed electrical energy.

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