Alternating Current and Voltage If a sine wave goes through 10 cycles in 20 s, the period is 100 s 4 s 20 s 2 s 100 s 4 s 20 s 2 s 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 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°. Wave A leads wave B by 105°. Wave A lags wave B by 15°. Wave A leads wave B by 15°. 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 100% is 30% is 1% cannot be determined is 100% is 30% is 1% 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 10.60 V 1.65 V 5.93 V 16.54 V 10.60 V 1.65 V 5.93 V 16.54 V ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A sine wave of 15 kHz is changing at a faster rate than a sine wave with a frequency of 25 kHz 1.3 MHz 18 kHz 12 kHz 25 kHz 1.3 MHz 18 kHz 12 kHz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage The average value of a 12 V peak sine wave over one complete cycle is 7.64 V 0 V 1.27 V 6.37 V 7.64 V 0 V 1.27 V 6.37 V ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS