MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices and Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The change in collector emitter voltage from 6V to 9V causes increase in collector current from 6mA to 6.3mA. Determine the dynamic output resistance. |
| A. | 20k |
| B. | 10k |
| C. | 50k |
| D. | 60k |
| Answer» C. 50k | |
| 2. |
The collector current is 2.945A and =0.98. The leakage current is 2 A. What is the emitter current and base current? |
| A. | 3mA and 55 A |
| B. | 2.945mA and 55 A |
| C. | 3.64mA and 33 A |
| D. | 5.89mA and 65 A |
| Answer» B. 2.945mA and 55 A | |
| 3. |
A common emitter transistor amplifier has a collector current of 10mA, when its base current is 25 A at the room, temperature. What is input resistance? |
| A. | 3k |
| B. | 5k |
| C. | 1k |
| D. | 7k |
| Answer» D. 7k | |