Current Electricity — Physics STD 12 Science — Question
Gujarat BoardEnglish MediumSTD 12 SciencePhysicsCurrent Electricity1 Mark
MCQ
The SI unit of electrical energy is $.......$?
A
Kilojoule $(KJ)$
✓
Joules $(J)$
C
Watt $(W)$
D
Kilowatt $(KW)$
✓
Answer
Correct option: B.
Joules $(J)$
Electric energy is defined as the total electric work done or energy supplied by the source of emf in maintaining the current in an electric circuit for a given time. The $SI$ unit of electrical energy is joule $(J).$ The commercial unit of electric energy is kilowatt$-$hour $(kWh).$
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