AC Fundamentals, Circuit and Circuit Theory The product of apparent power and cosine of the phase angle between circuit voltage and current is Instantaneous power True power Reactive power Volt-amperes Instantaneous power True power Reactive power Volt-amperes 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. 50 jt 25 JT 100 n 5 n 50 jt 25 JT 100 n 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 Poor power factor All of the listed here Overloads alternators, transformers and distribution lines Reduces load handling capability of electrical system Results in more power losses in the electrical system All of the listed here Overloads alternators, transformers and distribution lines Reduces load handling capability of electrical system Results in more power losses in the electrical system ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In series resonant circuit, increasing inductance to its twice value and reducing capacitance to its half value Will change the resonance frequency Will increase the selectivity of the circuit Will change the maximum value of current at resonance Will change the impedance at resonance frequency Will change the resonance frequency Will increase the selectivity of the circuit Will change the maximum value of current at resonance Will change the impedance at resonance frequency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance of coil Decreases with the increase in supply frequency Is unaffected by the supply frequency Becomes zero with the increase in supply frequency Increases with the increase in supply frequency Decreases with the increase in supply frequency Is unaffected by the supply frequency Becomes zero with the increase in supply frequency Increases with the increase in supply frequency ANSWER DOWNLOAD EXAMIANS APP
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