Chapter 12 UNIJUNCTION TRANSISTOR (UJT) MCQs 9 min Score: 0 Attempted: 0/9 Subscribe 1. . How many terminals are there in a unijunction transistor? (A) 1 (B) 2 (C) 4 (D) 3Show All Answers 2. . What are unijunction transistors used for? (A) Amplifying a circuit (B) On-Off switching device (C) Splitting device (D) Circuit breakerShow All Answers 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) N type (D) P typeShow All Answers 4. . What are the terminals of a unijunction transistor? (A) Emitter, Base 1 and Base 2 (B) Collector, Base and Emitter (C) Gate, Drain and Source (D) Gate, Drain, Body and SourceShow All Answers 5. . What are the working regions of a unijunction transistor? (A) Linear region (B) Cut-off region (C) Saturation region (D) Negative Resistance regionShow All Answers 6. . Which of the following is not a characteristic of UJT? (A) Bilateral conduction (B) Negative resistance (C) Peak-point voltage (D) Intrinsic stand off ratioShow All Answers 7. . After peak point, the UJT operates in the ___________ region. (A) Negative resistance (B) Saturation (C) Cut-off (D) None of the aboveShow All Answers 8. . A UJT is sometimes called ___________ diode. (A) Low resistance (B) Single-base (C) High resistance (D) Double-baseShow All Answers 9. . When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. (A) Extremely low (B) Low (C) High (D) None of the aboveShow All Answers
