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- Question
Which of the following statements is true?
Options- A. The voltage to which a capacitor is charged can change instantaneously.
- B. The current in a capacitive circuit takes time to change.
- C. A fully charged capacitor appears as a short to dc current.
- D. An uncharged capacitor appears as a short to an instantaneous change in current.
- Correct Answer
- An uncharged capacitor appears as a short to an instantaneous change in current.
- 1. When both inputs of a J-K flip-flop cycle, the output will:
Options- A. be invalid
- B. not change
- C. change
- D. toggle Discuss
- 2. A register in the microprocessor that keeps track of the answer or results of any arithmetic or logic operation is the _________.
Options- A. stack pointer
- B. program counter
- C. instruction pointer
- D. accumulator Discuss
- 3. ___ power represents the energy dissipated at a given point in time.
Options- A. True
- B. Reactive
- C. Real
- D. Instantaneous Discuss
- 4. A 10 kΩ capacitive reactance equals a 100 µS capacitive susceptance.
Options- A. True
- B. False Discuss
- 5.
The maximum peak-to-peak output voltage in the given circuit is 15 V.
Options- A. True
- B. False Discuss
- 6. In a parallel resistive circuit:
Options- A. there is more than one current path between two points
- B. the voltage applied divides between the branches
- C. the total branch power exceeds the source power
- D. the total circuit conductance is less than the smallest branch conductance Discuss
- 7. What is the range between f1 and f2 of an RLC circuit that resonates at 150 kHz and has a Q of 30?
Options- A. 100.0 kHz to 155.0 kHz
- B. 147.5 kHz to 152.5 kHz
- C. 4500 kHz to 295.5 kHz
- D. 149,970 Hz to 150,030 Hz Discuss
- 8. After a voltage has been applied to an inductor, the current will be ___ of its full value after 2 time constants.
Options- A. 63%
- B. 86%
- C. 95%
- D. 98% Discuss
- 9. 4 amperes will flow through a 10 Ω resistor if 20 volts are placed across the resistor.
Options- A. True
- B. False Discuss
- 10. Dark current is a small reverse current that flows in a photodiode that is receiving no light.
Options- A. True
- B. False Discuss
More questions
Correct Answer: not change
Correct Answer: accumulator
Correct Answer: Instantaneous
Correct Answer: True
Correct Answer: False
Correct Answer: there is more than one current path between two points
Correct Answer: 147.5 kHz to 152.5 kHz
Correct Answer: 86%
Correct Answer: False
Correct Answer: True
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