MCQOPTIONS
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MCQOPTIONS
This section includes 8 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. |
How the input impedance of a common collector transistor amplifier expressed in terms of transistor hybrid parameters? |
| A. | hic + (hfc × hrc / YL + hoc) |
| B. | hic – (hfc × hrc / YL + hoc)c) -hic + (hfc × hrc / YL + hoc)d) -hic – (hfc × hrc / YL + ho |
| C. | hic – (hfc × hrc / YL + hoc)c) -hic + (hfc × hrc / YL + hoc) |
| D. | -hic – (hfc × hrc / YL + hoc) |
| Answer» C. hic – (hfc × hrc / YL + hoc)c) -hic + (hfc × hrc / YL + hoc) | |
| 2. |
How the input impedance of a common base transistor amplifier expressed in terms of transistor hybrid parameters? |
| A. | -hib + (hfb × hib / YL + hob)b) hib – (hfb × hib / YL + hob)c) -hib + (hfb × hrb / YL + hob)d) hib – (hfb × hrb / YL + ho |
| B. | hib – (hfb × hib / YL + hob) |
| C. | -hib + (hfb × hrb / YL + hob) |
| D. | hib – (hfb × hrb / YL + hob) |
| Answer» E. | |
| 3. |
How the input impedance of a common emitter transistor amplifier expressed in terms of transistor hybrid parameters? |
| A. | hie – (hfe × hoe / YL + hre) |
| B. | hie + (hfe × hoe / YL + hre) |
| C. | hie – (hfe × hre / YL + hoe) |
| D. | hie + (hfe × hre / YL + ho |
| E. | hie + (hfe × hoe / YL + hre)c) hie – (hfe × hre / YL + hoe)d) hie + (hfe × hre / YL + hoe) |
| Answer» D. hie + (hfe × hre / YL + ho | |
| 4. |
What is the input impedance of a transistor amplifier circuit if I1 = 10mA, I2 = 20mA, V1 = 25V, V2 = 15V? |
| A. | 0.5kΩ |
| B. | 2kΩ |
| C. | 1.5kΩ |
| D. | 2.5kΩ |
| Answer» E. | |
| 5. |
How the current gain of a common collector transistor amplifier expressed in terms of transistor hybrid parameters? |
| A. | -hfc / (1 + ZL × hrc) |
| B. | hfc / (1 + ZL × hrc)c) -hfc / (1 + ZL × hoc)d) hfc / (1 + ZL × ho |
| C. | hfc / (1 + ZL × hrc)c) -hfc / (1 + ZL × hoc) |
| D. | hfc / (1 + ZL × hoc) |
| Answer» D. hfc / (1 + ZL × hoc) | |
| 6. |
How the current gain of a common base transistor amplifier expressed in terms of transistor hybrid parameters? |
| A. | -hfb / (1 + ZL × hob)b) hfb / (1 + ZL × hob)c) -hfb / (1 + ZL × hrb)d) hfb / (1 + ZL × hr |
| B. | hfb / (1 + ZL × hob) |
| C. | -hfb / (1 + ZL × hrb) |
| D. | hfb / (1 + ZL × hrb) |
| Answer» B. hfb / (1 + ZL × hob) | |
| 7. |
How the current gain of a common emitter transistor amplifier expressed in terms of transistor hybrid parameters? |
| A. | -hfe / (1 + ZL × hre) |
| B. | hfe / (1 + ZL × hre) |
| C. | -hfe / (1 + ZL × hoe) |
| D. | hfe / (1 + ZL × ho |
| E. | hfe / (1 + ZL × hre)c) -hfe / (1 + ZL × hoe)d) hfe / (1 + ZL × hoe) |
| Answer» D. hfe / (1 + ZL × ho | |
| 8. |
What is the current gain of a transistor amplifier circuit if I1 = 10mA, I2 = 20mA, V1 = 25V, V2 = 15V? |
| A. | -0.5 |
| B. | -2 |
| C. | 0.5 |
| D. | 2 |
| Answer» C. 0.5 | |