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 36 kW 32 kW 40 kW 80 kW 36 kW 32 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 Resistance Capacitance Inductance None of the listed here Resistance Capacitance Inductance 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 ohm. If frequency is increased to 100 Hz, reactance becomes __________ ohms. 5 10 25 15 5 10 25 15 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a circuit containing R, L and C, power loss can take place in Capacitance only All of the listed here Resistance only Inductance only Capacitance only All of the listed here Resistance only Inductance only ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Wire-wound resistors are unsuitable for use at high frequencies because they Are likely to melt under excessive eddy current heat Exhibit unwanted inductive and capacitive effects Create more electrical noise Consume more power Are likely to melt under excessive eddy current heat Exhibit unwanted inductive and capacitive effects Create more electrical noise Consume more power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Capacitors for power factor correction are rated in kV kW kVAR kVA kV kW kVAR kVA ANSWER DOWNLOAD EXAMIANS APP
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