MCQOPTIONS
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MCQOPTIONS
This section includes 4 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 an emitter feedback bias Circuit having, RE=1Kohm, RC= 4.7Kohm, IB=0.005mA, IE = 1mA, VCC = 12V and Vce = 5V. Find the value of beta. |
| A. | 254 |
| B. | 100 |
| C. | 1000 |
| D. | 500 |
| Answer» B. 100 | |
| 2. |
For an emitter feedback bias circuit, RC is 10Kohm, Re= 5Kohm, RB = 1Kohm, If IC = 1mA, current gain is |
| A. | _________________ |
| B. | 4 |
| C. | 2 |
| D. | 5 |
| E. | 6 |
| Answer» C. 2 | |
| 3. |
For an emitter feedback bias circuit, the value of VCC = 10V, RB = 10Kohm, RE=1Kohm and RC=2Kohm, if current flowing through collector is 0.5mA, what is the voltage difference between collector and emitter? |
| A. | 8.5V |
| B. | 9V |
| C. | 10V |
| D. | 10.5V |
| Answer» B. 9V | |
| 4. |
For emitter feedback bias, to make IC independent of DC current gain, which of the following condition is required? |
| A. | RC >> RB/dc current gain |
| B. | RE >> RB/dc current gain |
| C. | RB >> RC/dc current gain |
| D. | Re >> RC/dc current gain |
| Answer» B. RE >> RB/dc current gain | |