Alternating Current and Voltage When a sine wave has a frequency of 100 Hz in 12 s it goes through 120 cycles 1,200 cycles 1/100 cycle 12 cycles 120 cycles 1,200 cycles 1/100 cycle 12 cycles 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° None of these 45° 40° 0° None of these 45° 40° 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 3,000 s 1.5 ms 2 ms 0.0045 s 3,000 s 1.5 ms 2 ms 0.0045 s ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A square wave has a period of 60 s. The first odd harmonic is 50 kHz 33.33 kHz 5 kHz 500 kHz 50 kHz 33.33 kHz 5 kHz 500 kHz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A 20 kHz pulse waveform consists of pulses that are 15 s wide. The duty cycle cannot be determined is 100% is 30% is 1% cannot be determined is 100% is 30% is 1% ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A signal with a 400 s period has a frequency of 25,000 Hz 400 Hz 250 Hz 2,500 Hz 25,000 Hz 400 Hz 250 Hz 2,500 Hz ANSWER DOWNLOAD EXAMIANS APP
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