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Alternating Current — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsAlternating Current1 Mark
Question
The peak voltage in a 220V AC source is:
  1. 220V.
  2. About 160V.
  3. About 310V.
  4. 440V.
✓

Answer

  1. About 310V.
Explanation:
$\text{V}_\text{rms}=220\text{V}$
$\text{V}_\text{p}=\sqrt{2}\times\text{V}_\text{rms}$
$=220\times1.414=311\text{volt}$

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