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 electrons passing through a point in one second The number of waves 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 electrons passing through a point in one second The number of waves passing through a point in one second ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A sine wave has a frequency of 50 Hz. Its angular frequency is __________ radian/second. 25 JT 100 n 50 jt 5 n 25 JT 100 n 50 jt 5 n ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The transient currents are associated with the Impedance of the circuit Resistance of the circuit Applied voltage to the circuit Changes in the stored energy in the inductors and capacitors Impedance of the circuit Resistance of the circuit Applied voltage to the circuit Changes in the stored energy in the inductors and capacitors 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 Create more electrical noise Consume more power Exhibit unwanted inductive and capacitive effects Are likely to melt under excessive eddy current heat Create more electrical noise Consume more power Exhibit unwanted inductive and capacitive effects ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory If a sinusoidal wave has frequency of 50 Hz with 30 A r.m.s. current which of the following equation represents this wave? 60 sin 25 t 42.42 sin 314 t 84.84 sin 25 t 30 sin 50 t 60 sin 25 t 42.42 sin 314 t 84.84 sin 25 t 30 sin 50 t ANSWER DOWNLOAD EXAMIANS APP
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 L or C L only R only C only L or C L only R only C only ANSWER DOWNLOAD EXAMIANS APP
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