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 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°. ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage When a sine wave has a frequency of 100 Hz in 12 s it goes through 1/100 cycle 1,200 cycles 120 cycles 12 cycles 1/100 cycle 1,200 cycles 120 cycles 12 cycles 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 18 kHz 12 kHz 1.3 MHz 25 kHz 18 kHz 12 kHz 1.3 MHz 25 kHz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage The average half-cycle value of a sine wave with a 40 V peak is 6.37 V 25.48 V 50.96 V 14.14 V 6.37 V 25.48 V 50.96 V 14.14 V 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 16.54 V 1.65 V 10.60 V 5.93 V 16.54 V 1.65 V 10.60 V 5.93 V 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
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