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 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°. ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage The conductive loop on the rotor of a simple two-pole, single-phase generator rotates at a rate of 400 rps. The frequency of the induced output voltage is indeterminable 100 Hz 400 Hz 40 Hz indeterminable 100 Hz 400 Hz 40 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A sawtooth wave has a period of 10 ms. Its frequency is 1,000 Hz 50 Hz 10 Hz 100 Hz 1,000 Hz 50 Hz 10 Hz 100 Hz 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
Alternating Current and Voltage A signal with a 400 s period has a frequency of 2,500 Hz 400 Hz 25,000 Hz 250 Hz 2,500 Hz 400 Hz 25,000 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 25 kHz 1.3 MHz 18 kHz 12 kHz 25 kHz 1.3 MHz 18 kHz 12 kHz ANSWER DOWNLOAD EXAMIANS APP
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