Download OU B.Sc 2019 Dec 1st Sem (1st Year ) 9011 Electronics Question Paper

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Code No.

SUBJECT : ELECTRONICS

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Paper - I

Circuit Analysis

Time : 3 Hours | Max Marks : 80

PART — A (8x4 = 32 Marks)

(Short Answer Type)

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Note : All the following Eight questions.

1. An alternating current is represented by I(t) = 220 sin (400t — 30°) then determine (a) frequency (b) Time period (c) Peak Value (d) rms Value
2. Define KCL and KVL with suitable examples.
3. Define Capacitive reactance and Inductive reactance.
4. State Reciprocity theorem and explain.

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5. Find the load resistance and current for maximum power transfer from a source of 100Volts dc having internal resistance of 50O.
6. State Millman's theorem.
7. Define time constant of LR and RC Circuits.
8. Explain the measurement of phase using CRO.
9. Mention application of CRO.

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PART - B (4 x 12 = 48 Marks)

(Essay Answer Type)

Note : All the following three questions.

1. a. Determine V; and i in the Circuit.

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