46. The form factor is the ratio of
47. 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?
48. The period of a sine wave is ___________ seconds. Its frequency is
49. The time constant of the capacitance circuit is defined as the time during which voltage
50. The square waveform of current has following relation between r.m.s. value and average value.
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