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- Question
If the value of resistor Rf in an averaging amplifier circuit is equal to the value of one input resistor divided by the number of inputs, the output will be equal to
Options- A. the average of the individual inputs
- B. the inverted sum of the individual inputs
- C. the sum of the individual inputs
- D. the inverted average of the individual inputs
- Correct Answer
- the inverted average of the individual inputs
- 1. Logic gate circuits contain predictable gate functions that open their outputs.
Options- A. True
- B. False Discuss
- 2. A reverse biased diode will act as an open switch.
Options- A. True
- B. False Discuss
- 3. A transducer does not convert energy from one form to another.
Options- A. True
- B. False Discuss
- 4. What is the standard TTL noise margin?
Options- A. 5.0 V
- B. 0.2 V
- C. 0.8 V
- D. 0.4 V Discuss
- 5. The total resistance of a series circuit always depends on the highest value resistor in that circuit.
Options- A. True
- B. False Discuss
- 6. A transistor used in a digital circuit will have two operating states, which are cutoff and saturation.
Options- A. True
- B. False Discuss
- 7. What is the output voltage?
Options- A. 15 V
- B. 5 V
- C. ?5 V
- D. ?15 V Discuss
- 8. A transistor may be used as a switching device or as a:
Options- A. fixed resistor
- B. tuning device
- C. rectifier
- D. variable resistor Discuss
- 9. The total resistance of a series circuit is equal to the average of all the resistance values.
Options- A. True
- B. False Discuss
- 10. Ferromagnetic materials have pre-existing magnetic fields.
Options- A. True
- B. False Discuss
More questions
Correct Answer: False
Correct Answer: True
Correct Answer: False
Correct Answer: 0.4 V
Correct Answer: False
Correct Answer: True
Correct Answer: ?5 V
Correct Answer: variable resistor
Correct Answer: False
Correct Answer: False
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