Alternating Current and Voltage A signal with a 400 s period has a frequency of 25,000 Hz 2,500 Hz 250 Hz 400 Hz 25,000 Hz 2,500 Hz 250 Hz 400 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A sine wave with a period of 4 ms is changing at a faster rate than a sine wave with a period of 3,000 s 2 ms 1.5 ms 0.0045 s 3,000 s 2 ms 1.5 ms 0.0045 s 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 25% 50% 1% 100% 25% 50% 1% 100% 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 When a sine wave has a frequency of 100 Hz in 12 s it goes through 1/100 cycle 120 cycles 12 cycles 1,200 cycles 1/100 cycle 120 cycles 12 cycles 1,200 cycles ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage If a sine wave goes through 10 cycles in 20 s, the period is 4 s 20 s 2 s 100 s 4 s 20 s 2 s 100 s ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS