41. A pure inductance connected across 250 V, 50 Hz supply consumes 100 W. This consumption can be attributed to
42. In a series resonant circuit, the impedance of the circuit is
43. In series resonant circuit, increasing inductance to its twice value and reducing capacitance to its half value
44. Power factor of the following circuit will be zero
45. Form Factor is the ratio of
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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