Alternating Current and Voltage A signal with a 400 s period has a frequency of 250 Hz 25,000 Hz 2,500 Hz 400 Hz 250 Hz 25,000 Hz 2,500 Hz 400 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A sawtooth wave has a period of 10 ms. Its frequency is 100 Hz 10 Hz 1,000 Hz 50 Hz 100 Hz 10 Hz 1,000 Hz 50 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 2 ms 0.0045 s 1.5 ms 3,000 s 2 ms 0.0045 s 1.5 ms 3,000 s 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 1.5 mA 10 mA 1 mA 15 mA 1.5 mA 10 mA 1 mA 15 mA ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage To produce an 800 Hz sine wave, a four-pole generator must be operated at 400 rps 200 rps 800 rps 1,600 rps 400 rps 200 rps 800 rps 1,600 rps 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
EXAMIANS