MCQOPTIONS
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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. |
The input characteristics of a CB transistor resembles_________ |
| A. | Forward biased diode |
| B. | Illuminated photo diode |
| C. | LED |
| D. | Zener diode |
| Answer» C. LED | |
| 2. |
The current gain of the CB transistor is_________ |
| A. | less than or equal to unity |
| B. | equal to unity |
| C. | greater than unity |
| D. | remains same |
| Answer» B. equal to unity | |
| 3. |
The input of a CB transistor is given between_________ |
| A. | collector and emitter terminals |
| B. | base ad collector terminals |
| C. | ground and emitter terminals |
| D. | emitter and base terminals |
| Answer» E. | |
| 4. |
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 | |
| 5. |
THE_CURRENT_GAIN_OF_THE_CB_TRANSISTOR_IS_________?$ |
| A. | less than or equal to unity |
| B. | equal to unity |
| C. | greater than unity |
| D. | remains same |
| Answer» B. equal to unity | |
| 6. |
The_input_characteristics_of_a_CB_transistor_resembles_________$ |
| A. | Forward biased diode |
| B. | Illuminated photo diode |
| C. | LED |
| D. | Zener diode |
| Answer» C. LED | |
| 7. |
The input of a CB transistor is given between________? |
| A. | collector and emitter terminals |
| B. | base ad collector terminals |
| C. | ground and emitter terminals |
| D. | emitter and base terminals |
| Answer» E. | |
| 8. |
Which of the following corresponds to the output circuit of a CB transistor? |
| A. | V<sub>BE</sub> |
| B. | I<sub>B</sub> |
| C. | V<sub>CB</sub> |
| D. | V<sub>CE</sub> |
| Answer» D. V<sub>CE</sub> | |
| 9. |
A transistor is connected in CB configuration. The emitter voltage is changed by 200mV, the emitter by 5mA. During this transition the collector base voltage is kept constant. What is the input dynamic resistance? |
| A. | 30Ω |
| B. | 60Ω |
| C. | 40Ω |
| D. | 50Ω |
| Answer» D. 50‚Äö√Ñ√∂‚àö√´¬¨‚àÇ | |
| 10. |
The output resistance of CB transistor is given by _________ |
| A. | ∆V<sub>CB</sub>/∆I<sub>C</sub> |
| B. | ∆V<sub>BE</sub>/∆I<sub>B</sub> |
| C. | ∆V<sub>BE</sub>/∆I<sub>C</sub> |
| D. | ∆V<sub>EB</sub>/∆I<sub>E</sub> |
| Answer» B. ‚Äö√Ñ√∂‚àö‚Ć‚àö√∫V<sub>BE</sub>/‚Äö√Ñ√∂‚àö‚Ć‚àö√∫I<sub>B</sub> | |
| 11. |
The input resistance in a CB transistor 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>EB</sub>/∆I<sub>E</sub> |
| Answer» E. | |