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 average half-cycle value of a sine wave with a 40 V peak is 50.96 V 25.48 V 6.37 V 14.14 V 50.96 V 25.48 V 6.37 V 14.14 V ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A 20 kHz pulse waveform consists of pulses that are 15 s wide. The duty cycle is 100% is 30% cannot be determined is 1% is 100% is 30% cannot be determined is 1% 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 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°. 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° 40° 0° None of these 45° 40° 0° None of these 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 5.44 V 54.4 V 7.07 V 8 V 5.44 V 54.4 V 7.07 V 8 V ANSWER DOWNLOAD EXAMIANS APP
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