1. . How many terminals are there in a unijunction transistor?
(A) 1
(B) 2
(C) 4
(D) 3
2. . What are unijunction transistors used for?
(A) Amplifying a circuit
(B) On-Off switching device
(C) Splitting device
(D) Circuit breaker
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 type
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 Source
5. . What are the working regions of a unijunction transistor?
(A) Linear region
(B) Cut-off region
(C) Saturation region
(D) Negative Resistance region
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 ratio
7. . After peak point, the UJT operates in the ___________ region.
(A) Negative resistance
(B) Saturation
(C) Cut-off
(D) None of the above
8. . A UJT is sometimes called ___________ diode.
(A) Low resistance
(B) Single-base
(C) High resistance
(D) Double-base
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 above