Alternating Current and Voltage A signal with a 400 s period has a frequency of 250 Hz 25,000 Hz 400 Hz 2,500 Hz 250 Hz 25,000 Hz 400 Hz 2,500 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A square wave has a period of 60 s. The first odd harmonic is 500 kHz 5 kHz 33.33 kHz 50 kHz 500 kHz 5 kHz 33.33 kHz 50 kHz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage If the rms current through a 6.8 k resistor is 8 mA, the rms voltage drop across the resistor is 8 V 5.44 V 54.4 V 7.07 V 8 V 5.44 V 54.4 V 7.07 V ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage The average half-cycle value of a sine wave with a 40 V peak is 25.48 V 50.96 V 14.14 V 6.37 V 25.48 V 50.96 V 14.14 V 6.37 V 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 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°. Wave A leads wave B by 15°. Wave A leads 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 100 Hz indeterminable 400 Hz 40 Hz 100 Hz indeterminable 400 Hz 40 Hz ANSWER DOWNLOAD EXAMIANS APP