Alternating Current and Voltage A square wave has a period of 60 s. The first odd harmonic is 50 kHz 500 kHz 33.33 kHz 5 kHz 50 kHz 500 kHz 33.33 kHz 5 kHz 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 0° None of these 45° 40° 0° None of these 45° 40° 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 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 leads wave B by 105°. Wave A lags wave B by 105°. Wave A lags wave B by 15°. Wave A leads wave B by 15°. Wave A leads wave B by 105°. 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 3,000 s 1.5 ms 0.0045 s 2 ms 3,000 s 1.5 ms 0.0045 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 5.44 V 7.07 V 54.4 V 8 V 5.44 V 7.07 V 54.4 V 8 V ANSWER DOWNLOAD EXAMIANS APP