MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Analog Electronic Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following relations are correct? |
| A. | IE + IB = IC |
| B. | IC + IB = IE |
| C. | IE + IC = IB |
| D. | IB + IE = IB |
| Answer» C. IE + IC = IB | |
| 2. |
Which of the following currents in a BJT is also called leakage current? |
| A. | IC |
| B. | IE |
| C. | ICO |
| D. | ICBO |
| Answer» B. IE | |
| 3. |
The collector current in a BJT is temparature-independent. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Considering the resistances of emitter, collector and base to be Re, Rc and Rb respectively, which of the following is the correct statements? |
| A. | Re > Rb > Rc |
| B. | Rc > Rb > Re |
| C. | Rb > Rc > Re |
| D. | Rb = Rc > Re |
| Answer» D. Rb = Rc > Re | |
| 5. |
Which of the following is not a valid type of BJT? |
| A. | PNP |
| B. | NPN |
| C. | PPN |
| D. | NNP |
| Answer» D. NNP | |
| 6. |
WHICH_OF_THE_FOLLOWING_CURRENTS_IN_A_BJT_IS_ALSO_CALLED_LEAKAGE_CURRENT??$ |
| A. | I<sub>C</sub> |
| B. | I<sub>E</sub> |
| C. | I<sub>CO</sub> |
| D. | I<sub>CBO</sub> |
| Answer» D. I<sub>CBO</sub> | |
| 7. |
Which of the following relations are correct?$ |
| A. | I<sub>E</sub> + I<sub>B</sub> = I<sub>C</sub> |
| B. | I<sub>C</sub> + I<sub>B</sub> = I<sub>E</sub> |
| C. | I<sub>E</sub> + I<sub>C</sub> = I<sub>B</sub> |
| D. | None of the mentioned |
| Answer» C. I<sub>E</sub> + I<sub>C</sub> = I<sub>B</sub> | |
| 8. |
The collector current in a BJT is temparature-independent? |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
What is the typical order of magnitude of the base current for a BJT? |
| A. | 10 <sup> -8 </sup> |
| B. | 10 <sup> -9 </sup> |
| C. | 10 <sup> -6 </sup> |
| D. | 10 <sup> -3 </sup> |
| Answer» D. 10 <sup> -3 </sup> | |
| 10. |
Which of the following statements is true about proper functioning of a BJT? |
| A. | One junction is forward biased and one is reverse biased. |
| B. | Both junctions are forward biased |
| C. | Both junctions are reverse biased |
| D. | Can’t be determined |
| Answer» B. Both junctions are forward biased | |
| 11. |
In a pnp-BJT, when the E-B junction is forward biased and no voltage is applied across C-B junction, what happens to the width of the depletion region in the E-B junction? |
| A. | Increases |
| B. | Decreases |
| C. | Remains same |
| D. | Can’t be determined |
| Answer» C. Remains same | |
| 12. |
Considering the resistances of emitter, collector and base to be Re, Rc and Rb respectively, which of the following is the correct statements? |
| A. | R<sub>e</sub> > R<sub>b</sub> > R<sub>c</sub> |
| B. | R<sub>c</sub> > R<sub>b</sub> > R<sub>e</sub> |
| C. | R<sub>b</sub> > R<sub>c</sub> > R<sub>e</sub> |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 13. |
In a BJT, which of the following layers is heavily doped? |
| A. | Collector |
| B. | Emitter |
| C. | Base |
| D. | All of the mentioned. |
| Answer» C. Base | |
| 14. |
In a BJT, the outer layers are much more thick as compared to the middle layer. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 15. |
Which of the following is not a valid type of a BJT? |
| A. | PNP |
| B. | NPN |
| C. | PPN |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |