osuigwewhitney5874 osuigwewhitney5874
  • 06-04-2024
  • Physics
contestada

An AC source is rated 220 V,50 Hz. The average voltage calculated in a time interval of 0.03 second. It
a. Must bezero
b. May be zero
c. Is never zero
d. Is always 220 V/π
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