AC Fundamentals, Circuit and Circuit Theory In a sine wave the slope is constant Between 180° and 270° No where Between 0° and 90° Between 90° and 180° Between 180° and 270° No where Between 0° and 90° Between 90° and 180° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The period of a sine wave is ___________ seconds. Its frequency is 50 Hz 20 Hz 30 Hz 40 Hz 50 Hz 20 Hz 30 Hz 40 Hz ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory At __________ frequencies the parallel R-L circuit behaves as purely resistive. Very high High Very low Low Very high High Very low Low ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The purpose of a parallel circuit resonance is to magnify Voltage Power Frequency Current Voltage Power Frequency Current 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 power consumed in a circuit element will be least when the phase difference between the current and voltage is 90° 60° 180° 30° 90° 60° 180° 30° ANSWER DOWNLOAD EXAMIANS APP
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