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Series-Parallel Circuits
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Question
What are the branch currents I2 and I3?
Options
A. I2 = 4 mA, I3 = 2 mA
B. I2 = 4.5 mA, I3 = 2.5 mA
C. I2 = 2.5 mA, I3 = 1.5 mA
D. I2 = 5.5 mA, I3 = 3.5 mA
Correct Answer
I2 = 2.5 mA, I3 = 1.5 mA
More questions
1. The triac provides better dc power control than the SCR.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
2.
In the given circuit, the
Thevenin resistance
equals 800 Ω.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
3. A ripple counter is an asynchronous counter.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
4. An isolation amplifier provides ac isolation between input and output.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
5. A parallel tuned circuit can be used to couple energy from one circuit to another.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
6. The characteristic that a change of one binary step on the input of a digital-to-analog converter (DAC) should cause exactly one step change on the output is called ________.
Options
A. resolution
B. monotonicity
C. linearity
D. accuracy
Show Answer
Scratch Pad
Discuss
Correct Answer: monotonicity
7. A two-pole high-pass active filter would have a roll-off rate of
Options
A. 40 dB/decade
B. ?40 dB/decade
C. 20 dB/decade
D. ?20 dB/decade
Show Answer
Scratch Pad
Discuss
Correct Answer: ?40 dB/decade
8. The binary coded decimal (BCD) code is a system that represents each of the 10 decimal digits as a(n) ____________.
Options
A. 4-bit binary code
B. 8-bit binary code
C. 16-bit binary code
D. ASCII code
Show Answer
Scratch Pad
Discuss
Correct Answer: 4-bit binary code
9. ________ analog-to-digital converters (ADCs) have a fixed value of conversion time that is not dependent on the value of the analog input.
Options
A. Substandard
B. Dual
C. Recessive approximation
D. Successive approximation
Show Answer
Scratch Pad
Discuss
Correct Answer: Successive approximation
10. The purpose of compensation for a thermocouple is
Options
A. to decrease temperature sensitivity
B. to increase voltage output
C. to cancel unwanted voltage output of a thermocouple
D. used for high-temperature circuits
Show Answer
Scratch Pad
Discuss
Correct Answer: to cancel unwanted voltage output of a thermocouple
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