AC Fundamentals, Circuit and Circuit Theory All definitions of power factor of a series R-L-C circuit are correct except Ratio of W and VA Ratio of net reactance and impedance Ratio of kW and kVA Ratio of J and Z Ratio of W and VA Ratio of net reactance and impedance Ratio of kW and kVA Ratio of J and Z 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? 180° 30° 45° 90° 180° 30° 45° 90° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Pure inductive circuit takes power from the A.C. line when Applied voltage increases but current decreases Applied voltage decreases but current increases Both applied voltage and current decrease Both applied voltage and current increase Applied voltage increases but current decreases Applied voltage decreases but current increases Both applied voltage and current decrease Both applied voltage and current increase ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following statements pertains to resistors only? Connecting them in parallel increases the total value Can dissipate considerable amount of power Oppose sudden changes in voltage Can act as energy storage devices Connecting them in parallel increases the total value Can dissipate considerable amount of power Oppose sudden changes in voltage Can act as energy storage devices ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In any A.C. circuit always Apparent power is more than actual power Actual power is more than reactive power Reactive power is more than actual power Reactive power is more than apparent power Apparent power is more than actual power Actual power is more than reactive power Reactive power is more than actual power Reactive power is more than apparent power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an electrical circuit is equal to 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 Ratio of useful current to total current Iw/I R/Z Cosine of phase angle difference between current and voltage ANSWER DOWNLOAD EXAMIANS APP
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