AC Fundamentals, Circuit and Circuit Theory In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of R only C only L or C L only R only C only L or C L only ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is 40 kW 80 kW 32 kW 36 kW 40 kW 80 kW 32 kW 36 kW ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of the following circuit will be unity None of the listed here Inductance Resistance Capacitance None of the listed here Inductance Resistance Capacitance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 Q. If frequency is increased to 100 Hz, reactance becomes __________ ohms. 2.5 5 10 15 2.5 5 10 15 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following refers to a parallel circuit? The equivalent resistance is greater than any one of the resistors The voltage across element is in proportion to it's resistance value The current through any one element is less than the source current The current through each element is same The equivalent resistance is greater than any one of the resistors The voltage across element is in proportion to it's resistance value The current through any one element is less than the source current The current through each element is same 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 capacitive reactance in ohms The current flowing in capacitor The size of the capacitor being quite big The statement is incorrect The capacitive reactance in ohms The current flowing in capacitor The size of the capacitor being quite big The statement is incorrect ANSWER DOWNLOAD EXAMIANS APP
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