Alternating Current and Voltage A 20 kHz pulse waveform consists of pulses that are 15 s wide. The duty cycle is 100% is 30% is 1% cannot be determined is 100% is 30% is 1% cannot be determined ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A sine wave with an rms value of 12 V is riding on a dc level of 18 V. The maximum value of the resulting waveform is 30 V 35 V 6 V 0 V 30 V 35 V 6 V 0 V 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 None of these 45° 40° 0° None of these 45° 40° 0° 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 5.93 V 10.60 V 1.65 V 16.54 V 5.93 V 10.60 V 1.65 V 16.54 V 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 2.66 V 4 V 18.8 V 26.6 V 2.66 V 4 V 18.8 V 26.6 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 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°. Wave A lags wave B by 15°. Wave A lags wave B by 105°. ANSWER DOWNLOAD EXAMIANS APP