Alternating Current and Voltage When a sine wave has a frequency of 100 Hz in 12 s it goes through 1,200 cycles 12 cycles 1/100 cycle 120 cycles 1,200 cycles 12 cycles 1/100 cycle 120 cycles 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 45° 0° 40° None of these 45° 0° 40° None of these 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 40 Hz 400 Hz indeterminable 100 Hz 40 Hz 400 Hz indeterminable ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A 20 kHz pulse waveform consists of pulses that are 15 s wide. The duty cycle cannot be determined is 1% is 30% is 100% cannot be determined is 1% is 30% is 100% 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 1.6 V 4 V 4.6 V 11 V 1.6 V 4 V 4.6 V 11 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 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°. Wave A leads wave B by 15°. ANSWER DOWNLOAD EXAMIANS APP
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