Calculate the peak voltage of a mains supply of r.ms. value 220V.

Calculate the peak voltage of a mains supply of r.ms. value 220V.
  • A.
    121 V
  • B.
    156 V
  • C.
    225 V
  • D.
    240 V
  • E.
    311 V
Correct Answer: Option E
Explanation
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