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Subject Title: Basic Electronics Prepared by: K Haritha
Year: III Semester: VI Updated on: 23.03.
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Unit - I: NETWORK ELEMENTS AND NETWORK THEOREMS
- Define the terms Resistor, Inductor, Capacitor.
- What are active and passive elements? Explain in detail.
- Distinguish between active and passive elements with suitable examples.
- Explain Z, Y, h and ABCD parameters.
- Explain T and p networks.
- State and explain Superposition theorem.
- State and explain Thevenin’s theorem.
- State and explain Norton’s theorem.
- State and explain Maximum power transfer theorem
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Unit — II: BAND THEORY OF P-N JUNCTION AND DIODES
- Explain valence and conduction band.
- Explain briefly the classification of semiconductors.
- What are P type and N type extrinsic semiconductors?
- Derive continuity equation.
- Explain P-type and N-type extrinsic semiconductors.
- Explain working of PN junction diode and its V-I characteristics.
- Explain the operation of Zener diode.
- Explain how Zener diode acts as voltage regulator. Mention its applications.
- What is a Rectifier? Explain bridge rectifier.
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Unit - III: BIPOLAR JUNCTION TRANSISTOR (BJT) AND FEEDBACK CONCEPT AND OSCILLATORS
- What is a transistor? Mention different types of transistors.
- Explain PNP and NPN transistors.
- Write a note on different configurations of BJT (CB, CE and CC).
- Define a, ß and ?.
- Explain how transistor acts an amplifier. Explain RC coupled amplifier.
- What do you mean by feedback? Explain positive and negative feedback.
- List the advantages of negative feedback
- What is an Oscillator? Explain Barkhausen criterion for oscillators.
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Unit - IV: DIGITAL ELECTRONICS AND LOGIC GATES.
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- Explain different types of number systems with suitable examples.
- Conversions of number systems.
- Explain 1’s and 2’s complement method.
- Explain 2's complement method of subtraction.
- Explain logic gates.
- Explain realization of logic gates by discrete components.
- State and prove De-Morgan’s theorems.
- Show that NOR and NAND gates are Universal gates.
- Explain EX-OR gate.
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This download link is referred from the post: OU BSc Computer Science 2021 Important Question Bank || Osmania University (Important Questions)
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