AC Fundamentals, Circuit and Circuit Theory Poor power factor Overloads alternators, transformers and distribution lines Results in more power losses in the electrical system All of the listed here Reduces load handling capability of electrical system Overloads alternators, transformers and distribution lines Results in more power losses in the electrical system All of the listed here Reduces load handling capability of electrical system 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? None of the listed here VC and VR VL and VR VC and VL None of the listed here VC and VR VL and VR VC and VL ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The inductance of a coil can be increased by Increasing core length Choosing core material having high relative permeability Decreasing the diameter of the former Decreasing the number of turns Increasing core length Choosing core material having high relative permeability Decreasing the diameter of the former Decreasing the number of turns ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a series L-C circuit at the resonant frequency the Current is maximum Current is minimum Impedance is maximum Voltage across C is minimum Current is maximum Current is minimum Impedance is maximum Voltage across C is minimum ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of an inductive circuit Increases with the increase of inductance and the increase of resistance Increases with increase of inductance and decrease of resistance Increases with the decrease of inductance and decrease of resistance Increases with decrease of inductance and increase of resistance Increases with the increase of inductance and the increase of resistance Increases with increase of inductance and decrease of resistance Increases with the decrease of inductance and decrease of resistance Increases with decrease of inductance and increase of resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a R-L-C circuit Exchange of power takes place between inductor and supply line All of the listed here Exchange of power takes place between capacitor and supply line Power is consumed in resistance and is equal to IR Exchange of power takes place between inductor and supply line All of the listed here Exchange of power takes place between capacitor and supply line Power is consumed in resistance and is equal to IR ANSWER DOWNLOAD EXAMIANS APP
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