The average value of a 12 V peak sine wave over one complete cycle is 1.27 V 0 V 7.64 V 6.37 V TRUE ANSWER : ? YOUR ANSWER : ?
A 20 kHz pulse waveform consists of pulses that are 15 s wide. The duty cycle is 30% is 1% cannot be determined is 100% TRUE ANSWER : ? YOUR ANSWER : ?
The average half-cycle value of a sine wave with a 40 V peak is 14.14 V 25.48 V 6.37 V 50.96 V TRUE ANSWER : ? YOUR ANSWER : ?
A pulse waveform has a high time of 8 ms and a pulse width of 32 ms. The duty cycle is 25% 50% 100% 1% TRUE ANSWER : ? YOUR ANSWER : ?
A square wave has a period of 60 s. The first odd harmonic is 500 kHz 5 kHz 50 kHz 33.33 kHz 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 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°. TRUE ANSWER : ? YOUR ANSWER : ?
If the peak of a sine wave is 13 V, the peak-to-peak value is 13 V None of these 6.5 V 26 V TRUE ANSWER : ? YOUR ANSWER : ?
When a sine wave has a frequency of 100 Hz in 12 s it goes through 12 cycles 1,200 cycles 120 cycles 1/100 cycle 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 5.44 V 8 V 7.07 V 54.4 V TRUE ANSWER : ? YOUR ANSWER : ?
If a sine wave goes through 10 cycles in 20 s, the period is 100 s 20 s 4 s 2 s TRUE ANSWER : ? YOUR ANSWER : ?