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. |
The point on the DC load line which is represented by ‘Q’ is called _________ |
| A. | cut off point |
| B. | cut in point |
| C. | breakdown point |
| D. | operating point |
| Answer» E. | |
| 2. |
A change in 300mV in base emitter voltage causes a change of 100µA in the base current. Determine the dynamic input resistance. |
| A. | 20kΩ |
| B. | 10kΩ |
| C. | 30kΩ |
| D. | 60kΩ |
| Answer» D. 60kΩ | |
| 3. |
The relation between α and β is given by _________ |
| A. | 1/(1-α)=1- β |
| B. | 1/(1+α)=1+ β |
| C. | 1/(1-α)=1+ β |
| D. | 1/(1+α)=1- β |
| Answer» D. 1/(1+α)=1- β | |
| 4. |
The current amplification factor ϒdc is given by_________ |
| A. | IE/IB |
| B. | IB/IE |
| C. | IC/IE |
| D. | IE/IC |
| Answer» B. IB/IE | |