MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices and Circuits Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
For BJT power transistors, the collector terminal is always connected to the transistor’s case________ |
| A. | for easy circuit connection |
| B. | to prevent shorts |
| C. | because the collector terminal is the critical terminal for heat dissipation |
| D. | because the collector terminal is located nearest the case |
| Answer» D. because the collector terminal is located nearest the case | |
| 2. |
Calculate the efficiency of a class B amplifier for a supply voltage of VCC = 20 V with peak output voltage of VL(p) = 18 V. Assume RL = 16 . |
| A. | 78.54% |
| B. | 75% |
| C. | 70.69% |
| D. | 50% |
| Answer» D. 50% | |
| 3. |
A class A amplifier with RC = 3.3 k and RE = 1.2 k has a VCC = 20 V. Find IC(sat). |
| A. | 4.4mA |
| B. | 6.1mA |
| C. | 20mA |
| D. | 16.7mA |
| Answer» B. 6.1mA | |