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प्रश्न
Unit of electric power may also be expressed as
विकल्प
volt ampere
kilowatt hour
watt second
joule second
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उत्तर
volt ampere
Explanation -
Power is defined as
P = VI
where, V = Potential difference (Volt)
I = Current (Ampere)
So, unit of electric power may also be expressed as volt ampere.
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