Alternating Current and Voltage A square wave has a period of 60 s. The first odd harmonic is 500 kHz 33.33 kHz 5 kHz 50 kHz 500 kHz 33.33 kHz 5 kHz 50 kHz 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 1.65 V 16.54 V 5.93 V 10.60 V 1.65 V 16.54 V 5.93 V 10.60 V ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage If the rms voltage drop across a 15 k resistor is 16 V, the peak current through the resistor is 1 mA 15 mA 10 mA 1.5 mA 1 mA 15 mA 10 mA 1.5 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 If the peak of a sine wave is 13 V, the peak-to-peak value is 6.5 V 13 V 26 V None of these 6.5 V 13 V 26 V None of these ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage To produce an 800 Hz sine wave, a four-pole generator must be operated at 1,600 rps 400 rps 200 rps 800 rps 1,600 rps 400 rps 200 rps 800 rps ANSWER DOWNLOAD EXAMIANS APP
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