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1.
The form factor is the ratio of
2.
In each of the three coils of a three phase generator, an alternating voltage having an r.m.s. value of 220 V is induced. Which of the following values is indicated by the voltmeters?
3.
The period of a sine wave is ___________ seconds. Its frequency is
4.
The time constant of the capacitance circuit is defined as the time during which voltage
5.
The square waveform of current has following relation between r.m.s. value and average value.