MCQOPTIONS
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MCQOPTIONS
This section includes 252 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 251. |
Which of the following is true for the cut- off region in an npn transistor? |
| A. | potential difference between the emitter and the base is smaller than 0.5v |
| B. | potential difference between the emitter and the base is smaller than 0.4v |
| C. | the collector current increases with the increase in the base current |
| D. | the collector current is always zero and the base current is always non zero |
| Answer» C. the collector current increases with the increase in the base current | |
| 252. |
Which of the following condition is true for cut-off mode? |
| A. | the collector current is zero |
| B. | the collector current is proportional to the base current |
| C. | the base current is non zero |
| D. | all of the mentioned |
| Answer» B. the collector current is proportional to the base current | |