MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If gm=0.5mS, RS=2KΩ, determine ZO for source follower? |
| A. | 2KΩ |
| B. | 1KΩ |
| C. | 3KΩ |
| D. | 1.5KΩ |
| Answer» C. 3KΩ | |
| 2. |
What will be the gain value of FET if gmo=0? |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | Infinite |
| Answer» B. 1 | |
| 3. |
While choosing the operating conditions, the Vgs value was set lesser to Vt. What will the output if the FET is made to work as Source Follower? |
| A. | 0 |
| B. | Same as the input |
| C. | Same as input but phase reversed |
| D. | Cannot be determined |
| Answer» B. Same as the input | |
| 4. |
Which of the following is true about the effects of rd in Drain amplifier? |
| A. | rd Increases output impedance |
| B. | rd Decreases output impedance |
| C. | Output impedance remains the same |
| D. | rd Increases input impedance |
| Answer» C. Output impedance remains the same | |
| 5. |
WHAT_WILL_BE_THE_GAIN_VALUE_OF_FET_IF_GMO=0??$ |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | Infinite |
| Answer» B. 1 | |
| 6. |
If_gm=0.5mS,_RS=2KΩ,_determine_ZO_for_source_follower?$# |
| A. | 2KΩ |
| B. | 1KΩ |
| C. | 3KΩ |
| D. | 1.5KΩ |
| Answer» C. 3K‚Äö√Ñ√∂‚àö√´¬¨‚àÇ | |
| 7. |
While choosing the operating conditions, the Vgs value was set lesser to Vt. What will the output if the FET is made to work as Source Follower? |
| A. | 0 |
| B. | Same as the input |
| C. | Same as input but phase reversed |
| D. | Cannot be determined |
| Answer» B. Same as the input | |
| 8. |
Which of the following is the other name for Common Drain Amplifier? |
| A. | Source Follower |
| B. | Current Booster |
| C. | Voltage booster |
| D. | Voltage limiter |
| Answer» B. Current Booster | |
| 9. |
Which of the following is true about the effects of rd in Drain amplifier? |
| A. | r<sub>d</sub> Increases output impedance |
| B. | r<sub>d</sub> Decreases output impedance |
| C. | Output impedance remains the same |
| D. | r<sub>d</sub> Increases input impedance |
| Answer» C. Output impedance remains the same | |
| 10. |
A sine signal with period 2S has a peak of 2V at 0.5S and at 1.5 it was -2V, if this signal is applied to Common drain configured amplifier, What will be the output at t=1S? |
| A. | 2V |
| B. | -2V |
| C. | 0V |
| D. | 1V |
| Answer» D. 1V | |
| 11. |
A sinusoidal signal has 1.5V at t=2S, If this signal is given to Common drain amplifier, what will be its output at t=2S? |
| A. | 7.5V |
| B. | -7.5V |
| C. | 0 |
| D. | 1.5V |
| Answer» E. | |
| 12. |
Which of the following is true about Common Drain amplifier? |
| A. | It has low input impedance |
| B. | It has high output impedance |
| C. | Infinite gain |
| D. | Output will be same as input |
| Answer» E. | |
| 13. |
A Common drain amplifier is designed using fixed bias configuration, what is its input impedance? |
| A. | R<sub>D</sub> + r<sub>d</sub> |
| B. | R<sub>G</sub> |
| C. | R<sub>D</sub> || r<sub>d</sub> |
| D. | 0 |
| Answer» C. R<sub>D</sub> || r<sub>d</sub> | |
| 14. |
Output Impedance of Common Drain Amplifier is______________ |
| A. | R<sub>S</sub>+r<sub>d</sub> |
| B. | R<sub>S</sub> |
| C. | R<sub>S</sub> || r<sub>d</sub> |
| D. | R<sub>S</sub>||1/g<sub>m</sub> |
| Answer» E. | |