AC Fundamentals, Circuit and Circuit Theory The ratio of active power to apparent power is known as factor. Form Demand Load Power Form Demand Load Power 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. 100 n 50 jt 5 n 25 JT 100 n 50 jt 5 n 25 JT ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power consumed in a circuit element will be least when the phase difference between the current and voltage is 30° 90° 60° 180° 30° 90° 60° 180° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 ohm. If frequency is increased to 100 Hz, reactance becomes __________ ohms. 5 10 15 25 5 10 15 25 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The peak value of a sine wave is 200 V. Its average value is 141.4 V 127.4 V 200 V 282.8 V 141.4 V 127.4 V 200 V 282.8 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory At __________ frequencies the parallel R-L circuit behaves as purely resistive. High Very low Very high Low High Very low Very high Low ANSWER DOWNLOAD EXAMIANS APP