AC Fundamentals, Circuit and Circuit Theory What will be the phase angle between two alternating waves of equal frequency, when one wave attains maximum value the other is at zero value? 90° 30° 45° 180° 90° 30° 45° 180° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In each of the three coils of a three phase generator, an alternating voltage having an r.m.s. value of 220 V is induced. Which of the following values is indicated by the voltmeters? 220/v3 V 220 V 220 v3 V None of these 220/v3 V 220 V 220 v3 V None of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a sine wave the slope is constant Between 90° and 180° Between 180° and 270° No where Between 0° and 90° Between 90° and 180° Between 180° and 270° No where Between 0° and 90° 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. 10 15 5 25 10 15 5 25 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Form Factor is the ratio of r.m.s. value/average value Average value/peak value r.m.s. value/peak value Average value/r.m.s. value r.m.s. value/average value Average value/peak value r.m.s. value/peak value Average value/r.m.s. value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following coil will have large resonant frequency? A coil with low resistance A coil with large distributed capacitance A coil with low distributed capacitance A coil with large resistance A coil with low resistance A coil with large distributed capacitance A coil with low distributed capacitance A coil with large resistance ANSWER DOWNLOAD EXAMIANS APP
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