Q.

Unit of electric power may also be expressed as

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a

kilowatt – hour

b

joule – second

c

watt – second

d

volt – ampere

answer is A.

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Detailed Solution

As per definition, the unit of electric power (P = V x I) is volt – ampere. The options 2 and 3 are the units of energy and the 4 is the unit of Planck’s constant (h)

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