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 One sine wave has a positive-going zero crossing at 15° and another sine wave has a positive-going zero crossing at 55°. The phase angle between the two waveforms is 40° 45° None of these 0° 40° 45° None of these 0° ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A waveform has a baseline of 3 V, a duty cycle of 20%, and an amplitude of 8 V. The average voltage value is 4 V 4.6 V 1.6 V 11 V 4 V 4.6 V 1.6 V 11 V ANSWER DOWNLOAD EXAMIANS APP
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 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 40 Hz 400 Hz 100 Hz indeterminable 40 Hz 400 Hz 100 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is 10.60 V 16.54 V 5.93 V 1.65 V 10.60 V 16.54 V 5.93 V 1.65 V ANSWER DOWNLOAD EXAMIANS APP