If the rms current through a 6.8 k resistor is 8 mA, the rms voltage drop across the resistor is 7.07 V 54.4 V 5.44 V 8 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 30 V 35 V 6 V 0 V TRUE ANSWER : ? YOUR ANSWER : ?
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 sinusoidal current has an rms value of 14 mA. The peak-to-peak value is 39.6 mA 22.6 mA 16 mA 45.12 mA 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 15°. Wave A leads wave B by 105°. Wave A leads wave B by 15°. Wave A lags wave B by 105°. TRUE ANSWER : ? YOUR ANSWER : ?
If the rms current through a 4.7 k resistor is 4 mA, the peak voltage drop across the resistor is 26.6 V 18.8 V 2.66 V 4 V 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 4 V 4.6 V 11 V 1.6 V TRUE ANSWER : ? YOUR ANSWER : ?
A sawtooth wave has a period of 10 ms. Its frequency is 10 Hz 100 Hz 50 Hz 1,000 Hz TRUE ANSWER : ? YOUR ANSWER : ?
If the rms voltage drop across a 15 k resistor is 16 V, the peak current through the resistor is 1 mA 1.5 mA 10 mA 15 mA TRUE ANSWER : ? YOUR ANSWER : ?
A 20 kHz pulse waveform consists of pulses that are 15 s wide. The duty cycle is 30% cannot be determined is 1% is 100% TRUE ANSWER : ? YOUR ANSWER : ?