Alternating Current and Voltage A sine wave of 15 kHz is changing at a faster rate than a sine wave with a frequency of 1.3 MHz 18 kHz 12 kHz 25 kHz 1.3 MHz 18 kHz 12 kHz 25 kHz 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 1% cannot be determined is 100% is 30% is 1% cannot be determined is 100% is 30% 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 1.65 V 16.54 V 5.93 V 10.60 V 1.65 V 16.54 V 5.93 V 10.60 V 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 8 V 7.07 V 54.4 V 5.44 V 8 V 7.07 V 54.4 V ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage If the peak of a sine wave is 13 V, the peak-to-peak value is 26 V 13 V None of these 6.5 V 26 V 13 V None of these 6.5 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 15°. Wave A leads wave B by 15°. Wave A lags wave B by 105°. Wave A leads wave B by 105°. Wave A lags wave B by 15°. Wave A leads wave B by 15°. Wave A lags wave B by 105°. ANSWER DOWNLOAD EXAMIANS APP
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