University Questions with Answers (Long Answered Questions)

University Questions with Answers (Long Answered Questions)

(Regulation 2008)

Dec.-09

Q.l Explain the working of UJT as a relaxation oscillator with necessary waveforms and derive the expression for frequency of oscillations. [Section 5.1] [8]

May-10

Q.2 Explain the construction, equivalent circuit and the operation of UJT and draw its characteristics. [Section 5.1]    [8]

Dec.-l0

Q.3 Explain the working of UJT as a relaxation oscillator with necessary waveforms and derive the expression for frequency of oscillations. [Section 5.1] [8]

Dec.-11

Q.4 Explain the working of UJT as a relaxation oscillator with necessary waveforms and derive the expression for frequency of oscillations. [Section 5.1] [8]

Q.5 Explain the construction, equivalent circuit and the operation of UJT and draw its characteristics. [Section 5.1]    [8]

Dec.-12

Q.6 Write a detailed note on UJT based sawtooth oscillator. [Section 5.1] [10]

May-13

Q.7 Explain the working of UJT as a relaxation oscillator with necessary waveforms and derive the expression for frequency of oscillations. [Section 5.1] [16]

(Regulation 2013)

Dec.-14

Q.8 With neat sketch, explain the construction, operation and characteristics of SCR. [Section 5.3]   [16]

May-15

Q.9 Describe the construction and working of UJT with it's equivalent circuit and V-I characteristics. [Section 5.1]    [16]

Dec.-15

Q.10 Draw the basic construction and equivalent circuit of a Uni Junction Transistor. Briefly explain the device operation. [Section 5.1]  [8]

Q.11 Sketch the four layer construction of an SCR and the two transistor equivalent circuit. Explain the device operation. [Section 5.3] [8]

May-16

Q.12 Elaborately discuss the structure and characteristics of the IGBT. [Sections 5.6.1 and 5.6.3]          [8]

Q.13 Explain the operation of the UJT. [Section 5.1.4]  [8]

Dec.-16

Q.14 Draw and explain the working of SCR and its V-I characteristics. [Section 5.3]    [13]

Q.15 Describe the operation of UJT as a relaxation oscillator and derive its frequency of oscillation. [Section 5.1.7]       [13]

May-17

Q.16 Describe the construction and working of IGBT with neat diagram. [Section 5.6.1]        [7]

Dec.-17

Q.17 Explain the working of a thyristor. [Section 5.3.2]          [7]

Q.18  Describe the working, silicon controlled rectifier with neat diagram. [Section 5.3.2] [6]

(Regulation 2017)

Dec.-18

Q.19 Discuss the characteristics and applications of UJT. (Sections 5.1.5 and 5.1.6)     [9]