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

FirstRanker's choice

Code No. 7039

Max. Marks: 80

--- Content provided by‌ FirstRanker.com ---

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.

--- Content provided by‍ FirstRanker.com ---

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?

--- Content provided by‌ FirstRanker.com ---

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.
   

   --- Content provided by FirstRanker.com ---

   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.

--- Content provided by⁠ FirstRanker.com ---

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
   

   --- Content provided by FirstRanker.com ---

   Explain the construction and working of SR.

FirstRanker.com