AC Fundamentals, Circuit and Circuit Theory The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that Both waves must have identical peak values Both waves must have same frequency None of these Both waves must have zero value at the same time Both waves must have identical peak values Both waves must have same frequency None of these Both waves must have zero value at the same time ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of half wave rectified sine wave is 200 V. The r.m.s. value of full wave rectified AC. will be 100 V 111 V 141.4 V 282.8 V 100 V 111 V 141.4 V 282.8 V 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 50 jt 25 JT 100 n 5 n 50 jt 25 JT 100 n 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 None of the listed here Reactive power Active power Apparent power None of the listed here Reactive power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The time constant of a series R-C circuit is given by R/C RC2 R2C RC R/C RC2 R2C RC 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 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 60 sin 25 t ANSWER DOWNLOAD EXAMIANS APP
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