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Question
The use of a multimeter with digital circuits allows the measurement of:
Options
A. pulse width
B. voltage or resistance
C. current
D. pulse trains
Correct Answer
voltage or resistance
More questions
1. In digital electronic circuits, information is first converted to a coded group of pulses.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
2. Displacement, velocity, and acceleration can all be measured by using specific motion transducers.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
3. Another name for "fundamental units" is
Options
A. base units
B. atoms
C. the metric system
D. letter symbols
Show Answer
Scratch Pad
Discuss
Correct Answer: base units
4. If the current drawn in the secondary of a transformer increases, the power in the primary should remain the same.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: False
5. If a current of 40 mA flows through a series circuit consisting of a 0.4 µF capacitor and a resistor in series with a 4 kHz, 40 V
ac
source, what is the total circuit impedance?
Options
A. 10 Ω
B. 100 Ω
C. 1 k Ω
D. 1 M Ω
Show Answer
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Discuss
Correct Answer: 1 k Ω
6. A multiplexer is a device that chooses which output to send an input to by means of select lines.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
7. When the output of a standard TTL gate is HIGH, it can ___________________.
Options
A. sink 16 mA of current from the attached input gates
B. source 400 µA of current to no more than 10 attached gates
C. source 16 mA of current to no more than 10 attached gates
D. sink a maximum of 400 µA from no more than 10 load gates
Show Answer
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Discuss
Correct Answer: source 400 µA of current to no more than 10 attached gates
8. What is another name for a one-shot?
Options
A. monostable
B. bistable
C. astable
D. tristable
Show Answer
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Discuss
Correct Answer: monostable
9.
What does
R
T
equal in the given circuit?
Options
A. 90 Ω
B. 180 Ω
C. 200 Ω
D. 1.8 kΩ
Show Answer
Scratch Pad
Discuss
Correct Answer: 90 Ω
10. Resistance in a series circuit will:
Options
A. control the voltage
B. double the current
C. halve the power
D. oppose current
Show Answer
Scratch Pad
Discuss
Correct Answer: oppose current
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Analog and Digital Converters
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