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. 10 5 25 15 10 5 25 15 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The frequency of an alternating current is The speed with which the alternator runs The number of electrons passing through a point in one second The number of cycles generated in one minute The number of waves passing through a point in one second The speed with which the alternator runs The number of electrons passing through a point in one second The number of cycles generated in one minute The number of waves passing through a point in one second ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory When an alternating current passes through an ohmic resistance the electrical power converted into heat is Apparent power Reactive power None of the listed here Active power Apparent power Reactive power None of the listed here Active power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The frequency of domestic power supply in India is 250 Hz 150 Hz 200 Hz 50 Hz 250 Hz 150 Hz 200 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is 10 kVAR 16 kVAR 12 kVAR 8 kVAR 10 kVAR 16 kVAR 12 kVAR 8 kVAR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following coil will have large resonant frequency? 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 A coil with large distributed capacitance A coil with large resistance ANSWER DOWNLOAD EXAMIANS APP
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