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 leads wave B by 15°. Wave A lags wave B by 15°. Wave A lags wave B by 105°. Wave A leads wave B by 105°. Wave A leads wave B by 15°. Wave A lags wave B by 15°. Wave A lags wave B by 105°. ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A sinusoidal current has an rms value of 14 mA. The peak-to-peak value is 16 mA 45.12 mA 22.6 mA 39.6 mA 16 mA 45.12 mA 22.6 mA 39.6 mA ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage The average half-cycle value of a sine wave with a 40 V peak is 25.48 V 14.14 V 6.37 V 50.96 V 25.48 V 14.14 V 6.37 V 50.96 V ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage To produce an 800 Hz sine wave, a four-pole generator must be operated at 1,600 rps 400 rps 200 rps 800 rps 1,600 rps 400 rps 200 rps 800 rps 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 100% 50% 1% 25% 100% 50% 1% 25% ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage If a sine wave goes through 10 cycles in 20 s, the period is 4 s 100 s 2 s 20 s 4 s 100 s 2 s 20 s ANSWER DOWNLOAD EXAMIANS APP