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Electricity — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceElectricity1 Mark
MCQ
Unit of electric power may also be expressed as :
  • ✓
    Volt ampere.
  • B
    Kilowatt hour.
  • C
    Watt second.
  • D
    Joule second.
✓

Answer

Correct option: A.
Volt ampere.
Electric power $=$ voltage $\times $ current
$\ce{SI}$ Unit of voltage $=$ Volt
$\ce{SI}$ Unit of current $=$ Ampere
So, unit of electric power is also given by, volt ampere.

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