Alternating Current and Voltage If a sine wave goes through 10 cycles in 20 s, the period is 4 s 2 s 100 s 20 s 4 s 2 s 100 s 20 s 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 14.14 V 50.96 V 25.48 V 6.37 V 14.14 V 50.96 V 25.48 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 lags wave B by 15°. Wave A leads wave B by 105°. Wave A leads wave B by 15°. Wave A lags wave B by 105°. Wave A lags wave B by 15°. Wave A leads wave B by 105°. Wave A leads wave B by 15°. Wave A lags wave B by 105°. ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A sawtooth wave has a period of 10 ms. Its frequency is 50 Hz 1,000 Hz 10 Hz 100 Hz 50 Hz 1,000 Hz 10 Hz 100 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage To produce an 800 Hz sine wave, a four-pole generator must be operated at 800 rps 400 rps 1,600 rps 200 rps 800 rps 400 rps 1,600 rps 200 rps 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 54.4 V 8 V 7.07 V 5.44 V 54.4 V 8 V 7.07 V 5.44 V ANSWER DOWNLOAD EXAMIANS APP
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