Alternating Current and Voltage A square wave has a period of 60 s. The first odd harmonic is 500 kHz 50 kHz 33.33 kHz 5 kHz 500 kHz 50 kHz 33.33 kHz 5 kHz 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 3,000 s 0.0045 s 2 ms 1.5 ms 3,000 s 0.0045 s ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage The average half-cycle value of a sine wave with a 40 V peak is 14.14 V 6.37 V 50.96 V 25.48 V 14.14 V 6.37 V 50.96 V 25.48 V 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 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
Alternating Current and Voltage When a sine wave has a frequency of 100 Hz in 12 s it goes through 12 cycles 1/100 cycle 120 cycles 1,200 cycles 12 cycles 1/100 cycle 120 cycles 1,200 cycles ANSWER DOWNLOAD EXAMIANS APP
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