AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of pure cosine function is 0.707 of peak value Zero 0.5 of peak value Same as peak value 0.707 of peak value Zero 0.5 of peak value Same as peak value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The time constant of a series R-C circuit is given by R2C RC2 R/C RC R2C RC2 R/C RC 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. 5 n 100 n 50 jt 25 JT 5 n 100 n 50 jt 25 JT ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Ohm is unit of all of the following except Resistance Capacitive reactance Capacitance Inductive reactance Resistance Capacitive reactance Capacitance Inductive reactance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is 40 kW 36 kW 80 kW 32 kW 40 kW 36 kW 80 kW 32 kW ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A phasor is A colored tag or band for distinction between different phases of a 3-phase supply A line which represents the magnitude and phase of an alternating quantity A line representing the magnitude and direction of an alternating quantity An instrument used for measuring phases of an unbalanced 3-phase load A colored tag or band for distinction between different phases of a 3-phase supply A line which represents the magnitude and phase of an alternating quantity A line representing the magnitude and direction of an alternating quantity An instrument used for measuring phases of an unbalanced 3-phase load ANSWER DOWNLOAD EXAMIANS APP