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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