Question

unit of electric power is also be expressed as- a)volt ampere b)killowatt hour c)watt second d)killowatt second​

Answer 1

Answer:

b) killowatt hour

Explanation:

It is correct only if the question had a mention of commercial unit of power.

the question does not mention which unitlike SI, CGS, etc.

Answer 2

Answer:

$p = \frac{w}{t}$

therefore you must be thinking joule second is the answer but nooo

your correct anwer is kilowatt hour option b).

have you ever hear joule second

always it is joule per second so guys notice this.

you can even check anwers on crome ncert exampler solutions class 10.