MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
In low frequency region, the gain_________ |
| A. | increases |
| B. | decreases |
| C. | remains same |
| D. | depends on value of capacitors |
| Answer» C. remains same | |
| 2. |
In mid frequency region, the large capacitors are short and small capacitors are open circuited. What happens to the RC coupled circuit? |
| A. | the circuit is now frequency blind |
| B. | it is DC isolated |
| C. | the circuit turns reactive |
| D. | the circuit is AC dependent |
| Answer» B. it is DC isolated | |
| 3. |
In which of the regions, the small capacitors are open circuited? |
| A. | high frequency |
| B. | medium frequency |
| C. | low frequency |
| D. | the region does not affect he capacitors |
| Answer» D. the region does not affect he capacitors | |
| 4. |
The PNP transistor when used for switching the power, then it is called_________ |
| A. | sourcing current |
| B. | sinking current |
| C. | forward sourcing |
| D. | reverse sinking |
| Answer» B. sinking current | |
| 5. |
When the value is large for a given transistor, the IC and hoe values are given by_________ |
| A. | (V<sub>CC</sub>-V<sub>BE</sub>)/R<sub>B</sub>, V<sub>CC</sub>-R<sub>C</sub>I<sub>C</sub> |
| B. | (V<sub>CC</sub>+V<sub>BE</sub>)/R<sub>B</sub>, V<sub>CC</sub>-R<sub>C</sub>(I<sub>C</sub>+I<sub>B</sub>) |
| C. | (V<sub>CC</sub>+V<sub>BE</sub>)/R<sub>B</sub>, V<sub>CC</sub>+R<sub>C</sub>(I<sub>C</sub>+I<sub>B</sub>) |
| D. | (V<sub>CC</sub>+V<sub>BE</sub>)/R<sub>B</sub>,V<sub>CC</sub>+R<sub>C</sub>(I<sub>C</sub>-I<sub>B</sub>) |
| Answer» B. (V<sub>CC</sub>+V<sub>BE</sub>)/R<sub>B</sub>, V<sub>CC</sub>-R<sub>C</sub>(I<sub>C</sub>+I<sub>B</sub>) | |