MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Analog Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In a feedback network, input voltage is 14V, feedback voltage is 6V and source voltage is 20V. β is in ohms. What is its configuration? |
| A. | Shunt-Shunt feedback |
| B. | Shunt-Series feedback |
| C. | Series-Series feedback |
| D. | Series-Shunt feedback |
| Answer» D. Series-Shunt feedback | |
| 2. |
Consider the circuit shown below. Consider A: Current-shunt feedbackB: Current-series feedbackC: Voltage-shunt feedbackD: Voltage-series feedbackWhich of the above are present? |
| A. | A and B |
| B. | A only |
| C. | B only |
| D. | A and D |
| Answer» B. A only | |
| 3. |
Consider given circuit. What is the feedback configuration? |
| A. | Current series feedback |
| B. | Current shunt feedback |
| C. | Voltage series feedback |
| D. | Voltage shunt feedback |
| Answer» B. Current shunt feedback | |
| 4. |
A circuit can have more than one type of feedback. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
In which network is the unit of the feedback factor Ω? |
| A. | Shunt-shunt feedback |
| B. | Shunt-series feedback |
| C. | Series-series feedback |
| D. | Series-shunt feedback |
| Answer» D. Series-shunt feedback | |
| 6. |
Consider a voltage series feedback network, where amplifier gain = 100, feedback factor = 5. For the basic amplifier, input voltage = 4V, input current=2mA. Find the input resistance of the network. |
| A. | 1.002kΩ |
| B. | 1002kΩ |
| C. | 2kΩ |
| D. | 2000kΩ |
| Answer» C. 2kΩ | |
| 7. |
Consider the circuit shown. What is the type of sampling observed? |
| A. | Shunt-Series feedback |
| B. | Series-Series feedback |
| C. | Shunt-Shunt feedback |
| D. | Series-Shunt feedback |
| Answer» E. | |
| 8. |
Given that a feedback network is shunt-series, and output load is 10kΩ, what is the output voltage across it given that transfer gain is 10, source current is 20mA and feedback current is 10mA? |
| A. | 1V |
| B. | 2V |
| C. | 10V |
| D. | 20V |
| Answer» D. 20V | |
| 9. |
In the following diagram, shaded portions are named A and B. What are A and B? |
| A. | A = Current sampling network, B = Voltage sampling network |
| B. | A = Current mixing network, B = Voltage sampling network |
| C. | A = Shunt mixing network, B = Current sampling network |
| D. | A = Voltage mixing network, B = Current sampling network |
| Answer» D. A = Voltage mixing network, B = Current sampling network | |
| 10. |
Which of these doesn’t refer to a series-shunt feedback? |
| A. | Voltage in and Voltage out |
| B. | Current in and Voltage out |
| C. | Voltage Controlled Voltage Source |
| D. | Series voltage feedback |
| Answer» C. Voltage Controlled Voltage Source | |