MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following points locates the quiescent point? |
| A. | (IC, VCB) |
| B. | (IE, VCE) |
| C. | (IE, VCB) |
| D. | (IC, VCE) |
| Answer» B. (IE, VCE) | |
| 2. |
A change in 700mV in base emitter voltage causes a change of 200µA in the base current. Determine the dynamic input resistance. |
| A. | 2kΩ |
| B. | 10kΩ |
| C. | 3kΩ |
| D. | 3.5kΩ |
| Answer» D. 3.5kΩ | |
| 3. |
The small amount of current which flows even when base current IB=0 is called_________ |
| A. | IBEO |
| B. | ICBO |
| C. | ICEO |
| D. | IC |
| Answer» D. IC | |
| 4. |
The output resistance is given by _________ |
| A. | ∆VCE/∆IB |
| B. | ∆VBE/∆IB |
| C. | ∆VBE/∆IC |
| D. | ∆VCE/∆IC |
| Answer» E. | |
| 5. |
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. | 20kΩ |
| B. | 10kΩ |
| C. | 50kΩ |
| D. | 60kΩ |
| Answer» C. 50k‚Äö√Ñ√∂‚àö√´¬¨‚àÇ | |
| 6. |
Which_of_the_following_points_locates_the_quiescent_point?$ |
| A. | (I<sub>C</sub>, V<sub>CB</sub>) |
| B. | (I<sub>E</sub>, V<sub>CE</sub>) |
| C. | (I<sub>E</sub>, V<sub>CB</sub>) |
| D. | (I<sub>C</sub>, V<sub>CE</sub>) |
| Answer» B. (I<sub>E</sub>, V<sub>CE</sub>) | |
| 7. |
A change in 700mV in base emitter voltage causes a change of 200µA in the base current. Determine the dynamic input resistance?# |
| A. | 2kΩ |
| B. | 10kΩ |
| C. | 3kΩ |
| D. | 3.5kΩ |
| Answer» D. 3.5k‚Äö√Ñ√∂‚àö√´¬¨‚àÇ | |
| 8. |
The small amount of current which flows even when base current IB=0 is called_________ |
| A. | I<sub>BEO</sub> |
| B. | I<sub>CBO</sub> |
| C. | I<sub>CEO</sub> |
| D. | I<sub>C</sub> |
| Answer» D. I<sub>C</sub> | |
| 9. |
When the collector junction is reverse biased and emitter junction is forward biased, the operating region of the transistor is called_________ |
| A. | inverted region |
| B. | active region |
| C. | cut off region |
| D. | cut in region |
| Answer» C. cut off region | |
| 10. |
Which of the following cases damage the transistor? |
| A. | when V<sub>CE</sub> is increased too far |
| B. | when V<sub>CE</sub> is decreased too far |
| C. | when V<sub>BE</sub> is increased too far |
| D. | when V<sub>BE</sub> is decreased too far |
| Answer» B. when V<sub>CE</sub> is decreased too far | |
| 11. |
The input resistance is given by _________ |
| A. | ∆V<sub>CE</sub>/∆I<sub>B</sub> |
| B. | ∆V<sub>BE</sub>/∆I<sub>B</sub> |
| C. | ∆V<sub>BE</sub>/∆I<sub>C</sub> |
| D. | ∆V<sub>BE</sub>/∆I<sub>E</sub> |
| Answer» C. ‚Äö√Ñ√∂‚àö‚Ć‚àö√∫V<sub>BE</sub>/‚Äö√Ñ√∂‚àö‚Ć‚àö√∫I<sub>C</sub> | |