SSC JE Electrical Engineering 24 Jan 2018 Morning Paper

Question : 135 of 199

Marks: +1, -0

What will the peak value of alternating voltage (in V) when the average value of the voltage is 140 V?

Solution:

\V_\Peak = ?

\V_\avg = 140

Now,

\V_\avg=2/π×\V_\peak

⇒\V_\peak=π/2×\V_\avg

=π/2×140

= 220 V

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