AC Fundamentals, Circuit and Circuit Theory Poor power factor Results in more power losses in the electrical system Reduces load handling capability of electrical system Overloads alternators, transformers and distribution lines All of the listed here Results in more power losses in the electrical system Reduces load handling capability of electrical system Overloads alternators, transformers and distribution lines All of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit if the supply frequency is reduced to 1/2, the current will Be reduced to one fourth Be doubled Be four times as high Be reduced by half Be reduced to one fourth Be doubled Be four times as high Be reduced by half ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory What will be the phase angle between two alternating waves of equal frequency, when one wave attains maximum value the other is at zero value? 45° 90° 180° 30° 45° 90° 180° 30° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Pure inductive circuit takes power from the A.C. line when Both applied voltage and current decrease Applied voltage increases but current decreases Both applied voltage and current increase Applied voltage decreases but current increases Both applied voltage and current decrease Applied voltage increases but current decreases Both applied voltage and current increase Applied voltage decreases but current increases ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a parallel R-C circuit, the current always _________the applied voltage. Leads Lags None of the listed here Remains in phase with Leads Lags None of the listed here Remains in phase with ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The equation of 50 Hz current sine wave having r.m.s. value of 60 A is 42.42 sin 314 t 60 sin 25 t 60 sin 50 t 84.84 sin 3141 42.42 sin 314 t 60 sin 25 t 60 sin 50 t 84.84 sin 3141 ANSWER DOWNLOAD EXAMIANS APP
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