AC Fundamentals, Circuit and Circuit Theory Poor power factor Reduces load handling capability of electrical system All of the listed here Overloads alternators, transformers and distribution lines Results in more power losses in the electrical system Reduces load handling capability of electrical system All of the listed here Overloads alternators, transformers and distribution lines Results in more power losses in the electrical system ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In the case of an unsymmetrical alternating current the average value must always be taken over The whole cycle Unsymmetrical part of the wave form The half cycle The quarter cycle The whole cycle Unsymmetrical part of the wave form The half cycle The quarter cycle ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a circuit containing R, L and C, power loss can take place in Inductance only Capacitance only Resistance only All of the listed here Inductance only Capacitance only Resistance only All of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to None of the listed here R.m.s. voltage Peak voltage Average voltage None of the listed here R.m.s. voltage Peak voltage Average voltage 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 15 25 10 5 15 25 10 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
EXAMIANS