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The current time graph has the same shape as the one above.
The peak value is the maximum voltage or current reached at the highest or lowest point in the wave. It is measured from the centre line.
The period is the time for one complete cycle of the wave to pass.
The frequency is the number of cycles passing in one second.
Frequency = 1 / Period Period = 1 / Frequency
Vpeak = 1.4 x Vrms Vrms = 0.7 x Vpeak
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