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 TRUE ANSWER : ? YOUR ANSWER : ?
The average value of a 12 V peak sine wave over one complete cycle is 0 V 7.64 V 1.27 V 6.37 V TRUE ANSWER : ? YOUR ANSWER : ?
When a sine wave has a frequency of 100 Hz in 12 s it goes through 1/100 cycle 12 cycles 1,200 cycles 120 cycles TRUE ANSWER : ? YOUR ANSWER : ?
If the rms current through a 6.8 k resistor is 8 mA, the rms voltage drop across the resistor is 54.4 V 5.44 V 8 V 7.07 V TRUE ANSWER : ? YOUR ANSWER : ?
A sine wave with an rms value of 12 V is riding on a dc level of 18 V. The maximum value of the resulting waveform is 0 V 35 V 6 V 30 V TRUE ANSWER : ? YOUR ANSWER : ?
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°. TRUE ANSWER : ? YOUR ANSWER : ?
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 TRUE ANSWER : ? YOUR ANSWER : ?
A waveform has a baseline of 3 V, a duty cycle of 20%, and an amplitude of 8 V. The average voltage value is 1.6 V 4 V 11 V 4.6 V TRUE ANSWER : ? YOUR ANSWER : ?
To produce an 800 Hz sine wave, a four-pole generator must be operated at 800 rps 1,600 rps 400 rps 200 rps TRUE ANSWER : ? YOUR ANSWER : ?
The average half-cycle value of a sine wave with a 40 V peak is 50.96 V 14.14 V 25.48 V 6.37 V TRUE ANSWER : ? YOUR ANSWER : ?