Alternating Current and Voltage A square wave has a period of 60 s. The first odd harmonic is 33.33 kHz 5 kHz 50 kHz 500 kHz 33.33 kHz 5 kHz 50 kHz 500 kHz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A signal with a 400 s period has a frequency of 250 Hz 400 Hz 2,500 Hz 25,000 Hz 250 Hz 400 Hz 2,500 Hz 25,000 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 lags wave B by 15°. Wave A leads wave B by 105°. Wave A lags wave B by 105°. Wave A leads wave B by 15°. Wave A lags wave B by 15°. Wave A leads wave B by 105°. Wave A lags wave B by 105°. Wave A leads wave B by 15°. ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is 1.65 V 5.93 V 10.60 V 16.54 V 1.65 V 5.93 V 10.60 V 16.54 V ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A waveform has a baseline of 3 V, a duty cycle of 20%, and an amplitude of 8 V. The average voltage value is 4.6 V 11 V 1.6 V 4 V 4.6 V 11 V 1.6 V 4 V 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
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