Alternating Current and Voltage If the rms current through a 4.7 k resistor is 4 mA, the peak voltage drop across the resistor is 18.8 V 2.66 V 26.6 V 4 V 18.8 V 2.66 V 26.6 V 4 V ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is 5.93 V 10.60 V 1.65 V 16.54 V 5.93 V 10.60 V 1.65 V 16.54 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 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
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 3,000 s 0.0045 s 1.5 ms 2 ms 3,000 s 0.0045 s 1.5 ms ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A sawtooth wave has a period of 10 ms. Its frequency is 1,000 Hz 50 Hz 10 Hz 100 Hz 1,000 Hz 50 Hz 10 Hz 100 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A phasor represents the magnitude and a quantity direction the magnitude of a quantity the width of a quantity the phase angle the magnitude and a quantity direction the magnitude of a quantity the width of a quantity the phase angle ANSWER DOWNLOAD EXAMIANS APP