Alternating Current and Voltage If a sine wave goes through 10 cycles in 20 s, the period is 20 s 100 s 2 s 4 s 20 s 100 s 2 s 4 s ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A sinusoidal current has an rms value of 14 mA. The peak-to-peak value is 45.12 mA 16 mA 22.6 mA 39.6 mA 45.12 mA 16 mA 22.6 mA 39.6 mA 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 1.65 V 16.54 V 10.60 V 5.93 V 1.65 V 16.54 V 10.60 V 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 1% is 30% is 100% cannot be determined is 1% is 30% is 100% 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 400 Hz indeterminable 100 Hz 40 Hz 400 Hz indeterminable 100 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 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
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