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 15°. Wave A lags wave B by 15°. Wave A leads wave B by 105°. Wave A lags wave B by 105°. Wave A leads wave B by 15°. Wave A lags wave B by 15°. Wave A leads wave B by 105°. Wave A lags wave B by 105°. 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 If the rms current through a 6.8 k resistor is 8 mA, the rms voltage drop across the resistor is 8 V 5.44 V 54.4 V 7.07 V 8 V 5.44 V 54.4 V 7.07 V ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage If a sine wave goes through 10 cycles in 20 s, the period is 100 s 2 s 20 s 4 s 100 s 2 s 20 s 4 s ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A square wave has a period of 60 s. The first odd harmonic is 33.33 kHz 500 kHz 50 kHz 5 kHz 33.33 kHz 500 kHz 50 kHz 5 kHz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage The average value of a 12 V peak sine wave over one complete cycle is 7.64 V 6.37 V 1.27 V 0 V 7.64 V 6.37 V 1.27 V 0 V ANSWER DOWNLOAD EXAMIANS APP