MCQOPTIONS
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MCQOPTIONS
This section includes 8 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. |
What are the working regions of a unijunction transistor? |
| A. | Linear region |
| B. | Negative Resistance region |
| C. | Saturation region |
| D. | Cut-off region |
| Answer» C. Saturation region | |
| 2. |
What are the terminals of a unijunction transistor? |
| A. | Collector, Base and Emitter |
| B. | Emitter, Base 1 and Base 2 |
| C. | Gate, Drain and Source |
| D. | Gate, Drain, Body and Source |
| Answer» C. Gate, Drain and Source | |
| 3. |
Which type of material is the channel of a unijunction transistor made up of? |
| A. | PN type |
| B. | It doesn’t affect the working |
| C. | P type |
| D. | N type |
| Answer» E. | |
| 4. |
What is the intrinsic stand-off ratio(η) of a unijunction transistor when RB1 = 10kΩ and RBB = 15kΩ? |
| A. | 0.67 |
| B. | 0.55 |
| C. | 0.80 |
| D. | 0.44 |
| Answer» B. 0.55 | |
| 5. |
What is the generalized value for the voltage across resistor RB1 in a unijunction transistor? |
| A. | VRB1 = (RB2 / RB1 + RB2) × VBB |
| B. | VRB1 = (RB2 / RB1 – RB2) × VBB |
| C. | VRB1 = (RB1 / RB1 + RB2) × VBB |
| D. | VRB1 = (RB1 / RB1 – RB2) × VBB |
| Answer» D. VRB1 = (RB1 / RB1 – RB2) × VBB | |
| 6. |
Unijunction transistors have unidirectional conductivity and positive impedance characteristics. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
What are unijunction transistors used for? |
| A. | Amplifying a circuit |
| B. | Circuit breaker |
| C. | Splitting device |
| D. | On-Off switching device |
| Answer» E. | |
| 8. |
How many terminals are there in a unijunction transistor? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |