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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.

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a
Both ‘A’ and ‘R’ are true and ‘R’ is the correct explanation of ‘A’.
b
Both ‘A’ and ‘R’ are true and ‘R’ is not the correct explanation of ‘A’
c
‘A’ is true and ‘R’ is false
d
‘A’ is false and ‘R’ is true

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detailed solution

Correct option is D

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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