AC Fundamentals, Circuit and Circuit Theory Power factor of an electrical circuit is equal to Cosine of phase angle difference between current and voltage Ratio of useful current to total current Iw/I R/Z all of these Cosine of phase angle difference between current and voltage Ratio of useful current to total current Iw/I R/Z all of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a sine wave the slope is constant Between 180° and 270° No where Between 90° and 180° Between 0° and 90° Between 180° and 270° No where Between 90° and 180° Between 0° and 90° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit The current lags behind the voltage by 90° The current can lead or lag by 90° The current is in phase with the voltage The current leads the voltage by 90° The current lags behind the voltage by 90° The current can lead or lag by 90° The current is in phase with the voltage The current leads the voltage by 90° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A pure capacitor connected across an A.C. voltage consumed 50 W. This is due to The size of the capacitor being quite big The capacitive reactance in ohms The statement is incorrect The current flowing in capacitor The size of the capacitor being quite big The capacitive reactance in ohms The statement is incorrect The current flowing in capacitor ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is 12 kVAR 16 kVAR 8 kVAR 10 kVAR 12 kVAR 16 kVAR 8 kVAR 10 kVAR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In AC. circuits, laminated iron is invariably used in order to Reduce circuit permeability Increase heat radiation Reduce eddy current loss Make assembly cheap and easier Reduce circuit permeability Increase heat radiation Reduce eddy current loss Make assembly cheap and easier ANSWER DOWNLOAD EXAMIANS APP
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