AC Fundamentals, Circuit and Circuit Theory Which of the following circuit component opposes the change in the circuit voltage ? Inductance Capacitance Conductance Resistance Inductance Capacitance Conductance Resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure resistive circuit Current lags behind the voltage by 90° Current can lead or lag the voltage by 90° None of the listed here Current is in phase with the voltage Current lags behind the voltage by 90° Current can lead or lag the voltage by 90° None of the listed here Current is in phase with the voltage ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of the system is kept high All of the listed here To reduce line losses To reduce voltage regulation of the line To maximize the utilization of the capacities of generators, lines and transformers All of the listed here To reduce line losses To reduce voltage regulation of the line To maximize the utilization of the capacities of generators, lines and transformers 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 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 The big size of the inductor The reactance of the inductor The current flowing in the inductor ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The voltage of domestic supply is 220 V. This figure represents Average value Peak value R.m.s. value Mean value Average value Peak value R.m.s. value Mean value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The inductance of a coil can be increased by Decreasing the diameter of the former Choosing core material having high relative permeability Decreasing the number of turns Increasing core length Decreasing the diameter of the former Choosing core material having high relative permeability Decreasing the number of turns Increasing core length ANSWER DOWNLOAD EXAMIANS APP
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