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? 180° 90° 30° 45° 180° 90° 30° 45° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a loss-free R-L-C circuit the transient current is Square wave Sinusoidal Non-oscillating Oscillating Square wave Sinusoidal Non-oscillating Oscillating 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. 15 5 10 25 15 5 10 25 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The frequency of an alternating current is The number of waves passing through a point in one second The number of electrons passing through a point in one second The number of cycles generated in one minute The speed with which the alternator runs The number of waves passing through a point in one second The number of electrons passing through a point in one second The number of cycles generated in one minute The speed with which the alternator runs ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following waves has the highest value of peak factor ? Sine wave Square wave Triangular wave Half wave rectified sine wave Sine wave Square wave Triangular wave Half wave rectified sine wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In an AC. circuit, a low value of kVAR compared with kW indicates Unity power factor Maximum load current Low efficiency High power factor Unity power factor Maximum load current Low efficiency High power factor ANSWER DOWNLOAD EXAMIANS APP
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