Time Response of Reactive Circuits Online Test - Set 01 - ObjectiveBooks

# Practice Test: Question Set - 01

1. A steady-state condition is reached when
(A) The output voltage reaches the average value of the input voltage
(B) The output voltage reaches the input voltage
(C) The output voltage reaches approximately 63% of the input voltage
(D) The output voltage reaches the effective value of the input voltage

2. Referring to the bellow figure, determine the voltage level that the output will reach during the pulse.

(A) 0 V
(B) 15 V
(C) 6.3 V
(D) 9.45 V

3. In an RC differentiator, the sum of the capacitor voltage and the resistor voltage at any instant
(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

4. What is the highest frequency contained in a pulse that has a rise and fall time equal to 10 microseconds (10 μs)?
(A) 35 kHz
(B) 3.5 kHz
(C) 10 kHz
(D) 100 kHz

5. In an RC differentiator, the capacitor
(A) Charges exponentially at a rate depending on the RC time constant
(B) Charges exponentially at a rate depending on the input voltage
(C) Charges when the input voltage is decreasing
(D) Charges to approximately one time constant

6. An RC differentiator acts as a
(A) Low-pass filter
(B) High-pass filter
(C) Band-pass filter
(D) Band-stop filter

7. 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

8. In an electric circuit, the reaction of a circuit to a given pulse input is known as the pulse response.
(A) True
(B) False

9. 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

10. A single 6 V pulse with a width of 600 μs is applied to an integrator consisting of a 150 kΩ resistor and a 0.002 μF capacitor. To what voltage will the capacitor charge?
(A) 0 V
(B) 3.78 V
(C) 5.16 V
(D) 6 V

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