Alternating Current and Voltage If a sine wave goes through 10 cycles in 20 s, the period is 2 s 100 s 20 s 4 s 2 s 100 s 20 s 4 s 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 54.4 V 7.07 V 5.44 V 8 V 54.4 V 7.07 V 5.44 V ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A sine wave of 15 kHz is changing at a faster rate than a sine wave with a frequency of 1.3 MHz 25 kHz 18 kHz 12 kHz 1.3 MHz 25 kHz 18 kHz 12 kHz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A 20 kHz pulse waveform consists of pulses that are 15 s wide. The duty cycle cannot be determined is 100% is 30% is 1% cannot be determined is 100% is 30% is 1% ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage The conductive loop on the rotor of a simple two-pole, single-phase generator rotates at a rate of 400 rps. The frequency of the induced output voltage is 40 Hz indeterminable 100 Hz 400 Hz 40 Hz indeterminable 100 Hz 400 Hz 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 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°. Wave A lags wave B by 15°. Wave A leads wave B by 15°. ANSWER DOWNLOAD EXAMIANS APP
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