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Question bank for B Sc MECs I Year-I semester
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Subject: Electronics Paper: I Subject Title: Circuit Analysis
UNIT- I (AC Fundamentals, KCL and KVL)
Short Questions
- Define waveform and give the properties of alternating quantities.
- Conversion (polar and rectangular forms).
- Write a note on phasor diagram of A.C signal.
- Define conductance and susceptance in ac circuits.
- Define the terms impedance and admittance.
- Write a note on the concept of ideal and practical voltage source.
- Write a note on the concept of ideal and practical current source.
- State Kirchhoff’s laws.
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Essay Questions
- What is meant by average and RMS value of ac voltage and derive the expression for them?
- Explain the representation of complex value in different forms.
- Explain the method of solving using mesh or loop current method with an example.
- Explain the method of solving using node voltage method with an example.
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UNIT-II (Network Theorems)
Short Questions
- State Thevenin’s theorem.
- State Maximum power transfer theorem.
- State and prove reciprocity theorem.
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Essay Questions
- State and prove Thevenin’s theorem.
- State and prove Norton’s theorem.
- State and prove Superposition theorem.
- State and prove Maximum power transfer theorem.
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Short Questions
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- Define time constant of RC circuit.
- What is a filter? List various types of filters.
- What is meant by integrator? Explain.
- What is meant by differentiator? Explain.
Essay Questions
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- Discuss the transient response of LR circuit under switch close and open condition.
- Discuss the transient response of CR circuit under switch close and open condition.
- What is meant by a low pass filter? Explain the CR circuit as a low pass filter.
- What is meant by a low pass filter? Explain the LR circuit as a low pass filter.
- What is meant by a high pass filter? Explain the LR circuit as a high pass filter.
- What is meant by a high pass filter? Explain the CR circuit as a high pass filter.
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UNIT- IV (Resonance and CRO)
Short Questions
- Define series and parallel resonances.
- Distinguish between series and parallel resonance.
- List the applications of CRO.
- Draw and explain the block diagram of CRO.
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Essay Questions
- What is meant by resonance? Obtain the expression for resonant frequency and quality factor of series LCR resonance circuit.
- What is meant by resonance? Obtain the expression for resonant frequency and quality factor of parallel LCR resonance circuit.
- Draw the block diagram of CRO and explain the function of each block.
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