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 54.4 V 5.44 V 7.07 V 8 V 54.4 V 5.44 V 7.07 V 8 V ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A signal with a 400 s period has a frequency of 25,000 Hz 2,500 Hz 400 Hz 250 Hz 25,000 Hz 2,500 Hz 400 Hz 250 Hz 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 30% is 1% is 100% cannot be determined is 30% is 1% is 100% 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° None of these 45° 0° 40° None of these 45° 0° ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A sawtooth wave has a period of 10 ms. Its frequency is 50 Hz 100 Hz 1,000 Hz 10 Hz 50 Hz 100 Hz 1,000 Hz 10 Hz 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 leads wave B by 15°. Wave A lags wave B by 105°. Wave A lags wave B by 15°. Wave A leads wave B by 105°. Wave A leads wave B by 15°. Wave A lags wave B by 105°. Wave A lags wave B by 15°. ANSWER DOWNLOAD EXAMIANS APP
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