AC Fundamentals, Circuit and Circuit Theory 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? 220/v3 V None of these 220 V 220 v3 V 220/v3 V None of these 220 V 220 v3 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The main cause of silting up a channel, Non-regime section Defective head regulator Inadequate slope All of these Non-regime section Defective head regulator Inadequate slope All of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The period of a sine wave is ___________ seconds. Its frequency is 50 Hz 20 Hz 30 Hz 40 Hz 50 Hz 20 Hz 30 Hz 40 Hz ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The ratio of active power to apparent power is known as factor. Power Demand Load Form Power Demand Load Form ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an electrical circuit is equal to Ratio of useful current to total current Iw/I R/Z Cosine of phase angle difference between current and voltage all of these Ratio of useful current to total current Iw/I R/Z Cosine of phase angle difference between current and voltage all of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Poor power factor Reduces load handling capability of electrical system Results in more power losses in the electrical system All of the listed here Overloads alternators, transformers and distribution lines Reduces load handling capability of electrical system Results in more power losses in the electrical system All of the listed here Overloads alternators, transformers and distribution lines ANSWER DOWNLOAD EXAMIANS APP