1. A UJT has ___________. A. Two pn junctions B. One pn junction C. Three pn junctions D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
2. The UJT may be used as ___________. A. Am amplifier B. A sawtooth generator C. A rectifier D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
3. A diac has ___________ pn junctions A. Four B. Two C. Three D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
4. A diac has ___________ terminals. A. Two B. Three C. Four D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
5. A triac is a ___________ switch A. Bidirectional B. Unidirectional C. Mechanical D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
6. The normal way to turn on a diac is by ___________. A. Gate current B. Gate voltage C. Breakover voltage D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
7. Which of the following is not a characteristic of UJT? A. Intrinsic stand off ratio B. Negative resistance C. Peak-point voltage D. Bilateral conduction Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
8. A triac can pass a portion of ___________ half-cycle through the load. A. Only positive B. Only negative C. Both positive and negative D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
9. Between the peak point and the valley point of UJT emitter characteristics we have ___________ region A. Saturation B. Negative resistance C. Cut-off D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
10. After peak point, the UJT operates in the ___________ region. A. Cut-off B. Saturation C. Negative resistance D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
