Unit of electric power can also be expressed as

Asked by admin @ in Chemistry viewed by 281 People

Unit of electric power may also be expressed as

(a) volt ampere
(b) kilowatt hour
(c) watt second
(d) joule second
NCERT Class X
Science - Exemplar Problems
Chapter_Electricity

Answered by admin @


Answer: Unit of electric power may also be expressed as (i) Volt Ampere

Explanation:

(i) Volt Ampere is the unit of apparent power in an electric circuit where apparent power is the product of root mean square voltage and root mean square current.

(ii) Kilowatt hour is the unit of energy which is equal to 1 kilowatt power which is sustainable for an hour.

(iii) Watt second is the unit of energy which is equal to 1 watt power which is sustainable for a second.

(iv) Joule second is the unit of having use kn Planck's constant.


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