AC Fundamentals, Circuit and Circuit Theory Power factor of the system is kept high All of the listed here To reduce voltage regulation of the line To maximize the utilization of the capacities of generators, lines and transformers To reduce line losses All of the listed here To reduce voltage regulation of the line To maximize the utilization of the capacities of generators, lines and transformers To reduce line losses ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In series resonant circuit, increasing inductance to its twice value and reducing capacitance to its half value Will change the impedance at resonance frequency Will change the maximum value of current at resonance Will increase the selectivity of the circuit Will change the resonance frequency Will change the impedance at resonance frequency Will change the maximum value of current at resonance Will increase the selectivity of the circuit Will change the resonance frequency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following coil will have large resonant frequency? A coil with large distributed capacitance A coil with large resistance A coil with low distributed capacitance A coil with low resistance A coil with large distributed capacitance A coil with large resistance A coil with low distributed capacitance A coil with low resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A pure inductance connected across 250 V, 50 Hz supply consumes 100 W. This consumption can be attributed to The big size of the inductor The reactance of the inductor The current flowing in the inductor The statement given is false The big size of the inductor The reactance of the inductor The current flowing in the inductor The statement given is false 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 increase Both applied voltage and current decrease Applied voltage increases but current decreases Applied voltage decreases but current increases Both applied voltage and current increase Both applied voltage and current decrease ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The inductance of a coil can be increased by Decreasing the number of turns Choosing core material having high relative permeability Increasing core length Decreasing the diameter of the former Decreasing the number of turns Choosing core material having high relative permeability Increasing core length Decreasing the diameter of the former ANSWER DOWNLOAD EXAMIANS APP
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