AC Fundamentals, Circuit and Circuit Theory In a series L-C circuit at the resonant frequency the Voltage across C is minimum Current is maximum Current is minimum Impedance is maximum Voltage across C is minimum Current is maximum Current is minimum Impedance is maximum ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory All definitions of power factor of a series R-L-C circuit are correct except Ratio of W and VA Ratio of J and Z Ratio of net reactance and impedance Ratio of kW and kVA Ratio of W and VA Ratio of J and Z Ratio of net reactance and impedance Ratio of kW and kVA 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 cycles generated in one minute The number of waves passing through a point in one second The number of electrons passing through a point in one second The speed with which the alternator runs The number of cycles generated in one minute The number of waves passing through a point in one second The number of electrons passing through a point in one second ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of a circuit is the time in seconds taken after the application of voltage to each 25% of maximum value 50% of maximum value 63% of maximum value 90% of the maximum value 25% of maximum value 50% of maximum value 63% of maximum value 90% of the maximum value 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. 25 10 5 15 25 10 5 15 ANSWER DOWNLOAD EXAMIANS APP
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