AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of ________ degrees. 60 30 90 45 60 30 90 45 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phosphors for which of the following pair are 180° out of phase for VL, VC and VR? VC and VL None of these VL and VR VC and VR VC and VL None of these VL and VR VC and VR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The main cause of silting up a channel, Defective head regulator All of these Inadequate slope Non-regime section Defective head regulator All of these Inadequate slope Non-regime section ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The transient currents are associated with the Impedance of the circuit Applied voltage to the circuit Resistance of the circuit Changes in the stored energy in the inductors and capacitors Impedance of the circuit Applied voltage to the circuit Resistance of the circuit Changes in the stored energy in the inductors and capacitors ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an electrical circuit is equal to 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 Ratio of useful current to total current Iw/I ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The frequency of an alternating current is The number of waves passing through a point in one second The speed with which the alternator runs The number of electrons passing through a point in one second The number of cycles generated in one minute The number of waves passing through a point in one second The speed with which the alternator runs The number of electrons passing through a point in one second The number of cycles generated in one minute ANSWER DOWNLOAD EXAMIANS APP