- A. Must be zero
- B. Must be equal to the applied voltage
- C. Is less than the applied voltage but greater than zero
- D. Cannot be determined
Time Response of Reactive Circuits
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In an RC differentiator, the sum of the capacitor voltage and the resistor voltage at any instant.
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In an RC differentiator, responding to repetitive pulses, the average value of the output.
- A. Is zero
- B. Is equal to the input voltage
- C. Is 63 percent of the input voltage
- D. Cannot be determined
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Referring to Problem 5, how long will it take the capacitor to discharge if the internal resistance of the pulse source is 100 Ω?
- A. 300 μs
- B. 600 μs
- C. 900 μs
- D. 1.5 ms
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When a 12 V input pulse with a width equal to one time constant is applied to an RC integrator, the capacitor charges to.
- A. 0 V
- B. 12 V
- C. 6.3 V
- D. 7.56 V
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An integrator consists of a 3.3 kΩ resistor and a 2 μF capacitor. A single 30 V, 6 ms pulse is applied to the input. How much will the capacitor charge?
- A. 10.3 V
- B. 30 V
- C. 12.09 V
- D. 17.91 V
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Referring to Problem 7, how much will the capacitor charge if the pulse width is increased to 12 ms?
- A. 2.51 V
- B. 25.14 V
- C. 4.86 V
- D. 12.76 V
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In electronic systems, repetitive-pulse waveforms are encountered.
- A. More often than single pulses
- B. Less often than single pulses
- C. About as often as single pulses
- D. Twice as often as single pulses
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If a periodic pulse waveform has a pulse width and the time between pulses each equal to or greater than five time constants, the capacitor will_____.
- A. Partially charge and fully discharge during each period of the input waveform
- B. Fully charge and partially discharge during each period of the input waveform
- C. Fully charge and fully discharge during each period of the input waveform
- D. Partially charge and partially discharge during each period of the input waveform
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When a 24 V input pulse with a width equal to five time constants is applied to an RC integrator, the capacitor charges to_____.
- A. 24 V
- B. 15.12 V
- C. 20.64 V
- D. 12 V
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Referring this figure, on the falling edge.
- A. The resistor voltage drops to -5 V and then goes back to zero exponentially
- B. The resistor voltage jumps to -5 V and then goes back to zero exponentially
- C. The capacitor voltage remains constant
- D. The resistor voltage jumps to +5 V and then decreases exponentially to zero