Alternating Current and Voltage A signal with a 400 s period has a frequency of 250 Hz 400 Hz 25,000 Hz 2,500 Hz 250 Hz 400 Hz 25,000 Hz 2,500 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage If a sine wave goes through 10 cycles in 20 s, the period is 100 s 20 s 4 s 2 s 100 s 20 s 4 s 2 s ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage If the rms current through a 4.7 k resistor is 4 mA, the peak voltage drop across the resistor is 4 V 18.8 V 26.6 V 2.66 V 4 V 18.8 V 26.6 V 2.66 V 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 100 Hz indeterminable 400 Hz 40 Hz 100 Hz indeterminable 400 Hz 40 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 leads wave B by 15°. Wave A leads wave B by 105°. Wave A lags wave B by 105°. Wave A lags wave B by 15°. Wave A leads wave B by 15°. Wave A leads wave B by 105°. Wave A lags wave B by 105°. Wave A lags wave B by 15°. ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A square wave has a period of 60 s. The first odd harmonic is 50 kHz 5 kHz 33.33 kHz 500 kHz 50 kHz 5 kHz 33.33 kHz 500 kHz ANSWER DOWNLOAD EXAMIANS APP
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