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 reduced by half Be four times as high Be reduced to one fourth Be doubled Be reduced by half Be four times as high ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory If a sinusoidal wave has frequency of 50 Hz with 30 A r.m.s. current which of the following equation represents this wave? 84.84 sin 25 t 30 sin 50 t 42.42 sin 314 t 60 sin 25 t 84.84 sin 25 t 30 sin 50 t 42.42 sin 314 t 60 sin 25 t ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of an inductive circuit Increases with decrease of inductance and increase of resistance Increases with increase of inductance and decrease of resistance Increases with the increase of inductance and the increase of resistance Increases with the decrease of inductance and decrease of resistance Increases with decrease of inductance and increase of resistance Increases with increase of inductance and decrease of resistance Increases with the increase of inductance and the increase of resistance Increases with the decrease of inductance and decrease of resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In an A.C. circuit power is dissipated in Resistance only Capacitance only None of the listed here Inductance only Resistance only Capacitance only None of the listed here Inductance only ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In any A.C. circuit always Reactive power is more than apparent power Actual power is more than reactive power Apparent power is more than actual power Reactive power is more than actual power Reactive power is more than apparent power Actual power is more than reactive power Apparent power is more than actual power Reactive power is more than actual power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an electrical circuit is equal to Cosine of phase angle difference between current and voltage all of these R/Z Ratio of useful current to total current Iw/I Cosine of phase angle difference between current and voltage all of these R/Z Ratio of useful current to total current Iw/I ANSWER DOWNLOAD EXAMIANS APP
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