Download OU B.Sc 2018 May-June 1st Year 2nd Semester 7039 Electronics Question Paper

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Code No. 7039

Max. Marks: 80

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PART - A (5 x 4 = 20 Marks)

(Short Answer Type)

Answer any FIVE of the following:

1. Width of depletion region in P-N junction diode.
2. Effect of temperature on reverse saturation current.

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3. Early Effect? Explain.
4. Draw DC load lines.
5. FET Parameters.
6. Application of FET as a variable resistor.
7. What is the function of SCR?

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8. Application of MG.

PART - B (4 x 15 = 60 Marks)

(Essay Answer Type)

Answer all questions.

1. Explain the characteristics of a Tunnel diode.
   

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   OR
   Explain the working of a Varactor diode.
2. Draw the input and output characteristics of NPN transistor in CB configuration.
   OR
   Explain CE configuration and draw its equivalent.

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3. Explain the construction and working of JFET.
   OR
   Explain the construction and working of SCR.
4. Explain the construction and working of LDR.
   OR
   

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   Explain the construction and working of SR.

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