Alternating Current and Voltage A signal with a 400 s period has a frequency of 400 Hz 25,000 Hz 250 Hz 2,500 Hz 400 Hz 25,000 Hz 250 Hz 2,500 Hz 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° None of these 0° 40° 45° None of these 0° 40° ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A pulse waveform has a high time of 8 ms and a pulse width of 32 ms. The duty cycle is 1% 100% 50% 25% 1% 100% 50% 25% ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage If the rms voltage drop across a 15 k resistor is 16 V, the peak current through the resistor is 1 mA 1.5 mA 15 mA 10 mA 1 mA 1.5 mA 15 mA 10 mA 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 4 V 18.8 V 2.66 V 26.6 V 4 V 18.8 V 2.66 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 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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