AC Fundamentals, Circuit and Circuit Theory At __________ frequencies the parallel R-L circuit behaves as purely resistive. Very low Very high High Low Very low Very high High Low ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For a sine wave with peak value Emax ___________ the average value is None of the listed here 0.707 Emax 0.434 Emax 0.636 Emax None of the listed here 0.707 Emax 0.434 Emax 0.636 Emax 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 60 sin 25 t 60 sin 50 t 84.84 sin 3141 42.42 sin 314 t 60 sin 25 t 60 sin 50 t 84.84 sin 3141 42.42 sin 314 t 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 Q. If frequency is increased to 100 Hz, reactance becomes __________ ohms. 15 2.5 10 5 15 2.5 10 5 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Two waves of the same frequency have opposite phase when the phase angle between them is 90° 0° 180° 360° 90° 0° 180° 360° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The frequency of domestic power supply in India is 150 Hz 50 Hz 200 Hz 250 Hz 150 Hz 50 Hz 200 Hz 250 Hz ANSWER DOWNLOAD EXAMIANS APP