Alternating Current and Voltage A square wave has a period of 60 s. The first odd harmonic is 50 kHz 500 kHz 33.33 kHz 5 kHz 50 kHz 500 kHz 33.33 kHz 5 kHz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage One sine wave has a positive-going zero crossing at 15° and another sine wave has a positive-going zero crossing at 55°. The phase angle between the two waveforms is 0° 45° 40° None of these 0° 45° 40° None of these ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A sine wave with a period of 4 ms is changing at a faster rate than a sine wave with a period of 1.5 ms 2 ms 0.0045 s 3,000 s 1.5 ms 2 ms 0.0045 s 3,000 s ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage The average half-cycle value of a sine wave with a 40 V peak is 50.96 V 25.48 V 6.37 V 14.14 V 50.96 V 25.48 V 6.37 V 14.14 V ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A sawtooth wave has a period of 10 ms. Its frequency is 100 Hz 50 Hz 1,000 Hz 10 Hz 100 Hz 50 Hz 1,000 Hz 10 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage Sine wave A has a positive-going zero crossing at 45°. Sine wave B has a positive-going zero crossing at 60°. Which of the following statements is true? Wave A leads wave B by 15°. Wave A leads wave B by 105°. Wave A lags wave B by 15°. Wave A lags wave B by 105°. Wave A leads wave B by 15°. Wave A leads wave B by 105°. Wave A lags wave B by 15°. Wave A lags wave B by 105°. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS