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 105°. Wave A leads wave B by 15°. Wave A lags wave B by 15°. Wave A lags wave B by 105°. Wave A leads wave B by 105°. Wave A leads wave B by 15°. Wave A lags wave B by 15°. Wave A lags wave B by 105°. ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A signal with a 400 s period has a frequency of 2,500 Hz 25,000 Hz 400 Hz 250 Hz 2,500 Hz 25,000 Hz 400 Hz 250 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A sine wave of 15 kHz is changing at a faster rate than a sine wave with a frequency of 12 kHz 25 kHz 18 kHz 1.3 MHz 12 kHz 25 kHz 18 kHz 1.3 MHz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage To produce an 800 Hz sine wave, a four-pole generator must be operated at 1,600 rps 400 rps 200 rps 800 rps 1,600 rps 400 rps 200 rps 800 rps 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 1% 25% 100% 50% 1% 25% 100% 50% ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage If a sine wave goes through 10 cycles in 20 s, the period is 20 s 2 s 100 s 4 s 20 s 2 s 100 s 4 s ANSWER DOWNLOAD EXAMIANS APP
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