Alternating Current and Voltage A square wave has a period of 60 s. The first odd harmonic is 5 kHz 500 kHz 33.33 kHz 50 kHz 5 kHz 500 kHz 33.33 kHz 50 kHz 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 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 A sine wave with a period of 4 ms is changing at a faster rate than a sine wave with a period of 3,000 s 2 ms 0.0045 s 1.5 ms 3,000 s 2 ms 0.0045 s 1.5 ms ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A sinusoidal current has an rms value of 14 mA. The peak-to-peak value is 39.6 mA 45.12 mA 22.6 mA 16 mA 39.6 mA 45.12 mA 22.6 mA 16 mA ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage One sine wave has a positive-going zero crossing at 15° and another sine wave has a positive-going zero crossing at 55°. The phase angle between the two waveforms is None of these 40° 0° 45° None of these 40° 0° 45° 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 100 Hz indeterminable 40 Hz 400 Hz 100 Hz indeterminable 40 Hz 400 Hz ANSWER DOWNLOAD EXAMIANS APP