Chapter 8 THYRISTORS MCQs 10 min Score: 0 Attempted: 0/10 Subscribe 1. . UJT ka full form kya hai: (A) Universal Junction Transistor (B) Unique Junction Transistor (C) Uniform Junction Transistor (D) Unijunction TransistorShow All Answers 2. . UJT ke emitter terminal ka type kya hota hai: (A) N-type (B) Intrinsic (C) P-type (D) NoneShow All Answers 3. . UJT ka intrinsic stand-off ratio (η) aam tor par kis range me hota hai: (A) 0.5 – 0.8 (B) 0.1 – 0.3 (C) 0.9 – 1.0 (D) 0.2 – 0.4Show All Answers 4. . UJT me negative resistance region kab develop hota hai: (A) Emitter current kam hone par (B) Emitter current badhne par (C) Base 2 voltage kam hone par (D) Base 1 short hone parShow All Answers 5. . SCR me kitni semiconductor layers hoti hain: (A) 4 (B) 3 (C) 2 (D) 5Show All Answers 6. . SCR ka gate terminal kis ke liye use hota hai: (A) Load control karne ke liye (B) Forward voltage lagane ke liye (C) Reverse voltage lagane ke liye (D) SCR ko trigger karne ke liyeShow All Answers 7. . SCR forward blocking mode me kaunsa junction reverse biased hota hai: (A) J1 (B) J1 & J3 (C) J3 (D) J2Show All Answers 8. . UJT ka commonly use kis me hota hai: (A) Amplifiers (B) Relaxation Oscillator (C) Voltage regulator (D) RectifierShow All Answers 9. . SCR ko turn-off karne ka simplest method kya hai: (A) Gate current badhana (B) Frequency adjust karna (C) Voltage increase karna (D) Anode current ko holding current se kam karnaShow All Answers 10. . SCR ki phase control technique ka main fayda kya hai: (A) Load me frequency control karna (B) Reverse current allow karna (C) Current ko block karna (D) Load voltage ka controlShow All Answers
