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 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°. Wave A leads wave B by 105°. 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 15 mA 10 mA 1.5 mA 1 mA 15 mA 10 mA 1.5 mA 1 mA ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A square wave has a period of 60 s. The first odd harmonic is 50 kHz 500 kHz 5 kHz 33.33 kHz 50 kHz 500 kHz 5 kHz 33.33 kHz 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 1.5 ms 0.0045 s 3,000 s 2 ms 1.5 ms 0.0045 s 3,000 s 2 ms 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 7.07 V 5.44 V 54.4 V 8 V 7.07 V 5.44 V 54.4 V ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A signal with a 400 s period has a frequency of 25,000 Hz 250 Hz 400 Hz 2,500 Hz 25,000 Hz 250 Hz 400 Hz 2,500 Hz ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS