Download OU B.Sc 2018 Dec 1st Year 3010 Electronics Circuit Analysis Question Paper

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Code No. 2010

B.Sc

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Semester (CBCS) Examination, November / December 2012

Subject : ELECTRONICS (Circuit Analysis)

Paper - I

Time : 3 hours

Max. Marks - 80

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Part- A (5 X 4 = 20 Marks)

(Short Answer Type)

Note : Answer any Five of the following questions.

1. Describe a phasor and explain the phasor representation of sinusoidal voltage.
2. Distinguish between active and passive networks.

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3. State Milliman's theorem.
4. Find the load resistance and current for maximum power transfer from a source of 100 volts DC having internal resistance of 50O.
5. Derive the expression for decay current in LR circuit and hence define time constant.
6. Mention the main characteristics of series resonance circuit.
7. Draw the circuit diagram of a low pass RC circuit and draw its frequency response graph.

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8. Explain the measurement of phase angle using a CRO.

Part- B (4 X 15 = 60 Marks)

(Essay Answer Type)

Note : Answer all of the following questions.

1. a) Define and derive the average value and RMS value of a sinusoidal AC waveform.

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2. b) Explain the terms Node and Mesh analysis with an example of a two loop