Alternating Current and Voltage A signal with a 400 s period has a frequency of 250 Hz 25,000 Hz 2,500 Hz 400 Hz 250 Hz 25,000 Hz 2,500 Hz 400 Hz 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 2 ms 1.5 ms 0.0045 s 3,000 s 2 ms 1.5 ms 0.0045 s 3,000 s ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A 20 kHz pulse waveform consists of pulses that are 15 s wide. The duty cycle is 30% is 1% is 100% cannot be determined is 30% is 1% is 100% cannot be determined ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A pulse waveform has a high time of 8 ms and a pulse width of 32 ms. The duty cycle is 25% 100% 1% 50% 25% 100% 1% 50% 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 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°. Wave A leads wave B by 15°. Wave A leads wave B by 105°. ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A square wave has a period of 60 s. The first odd harmonic is 5 kHz 500 kHz 50 kHz 33.33 kHz 5 kHz 500 kHz 50 kHz 33.33 kHz ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS