AC Fundamentals, Circuit and Circuit Theory In a series L-C circuit at the resonant frequency the Impedance is maximum Current is minimum Current is maximum Voltage across C is minimum Impedance is maximum Current is minimum Current is maximum Voltage across C is minimum ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The equation of 50 Hz current sine wave having r.m.s. value of 60 A is 60 sin 25 t 84.84 sin 3141 60 sin 50 t 42.42 sin 314 t 60 sin 25 t 84.84 sin 3141 60 sin 50 t 42.42 sin 314 t ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of the system is kept high All of the listed here To reduce line losses To maximize the utilization of the capacities of generators, lines and transformers To reduce voltage regulation of the line All of the listed here To reduce line losses To maximize the utilization of the capacities of generators, lines and transformers To reduce voltage regulation of the line 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 Active power Apparent power Reactive power None of the listed here Active power Apparent power Reactive power None of the listed here 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 Consume more power Create more electrical noise Exhibit unwanted inductive and capacitive effects Are likely to melt under excessive eddy current heat Consume more power Create more electrical noise Exhibit unwanted inductive and capacitive effects ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The transient currents are associated with the 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 Impedance of the circuit Resistance of the circuit Applied voltage to the circuit ANSWER DOWNLOAD EXAMIANS APP