QUESTION BANK FOR FIVE UNITS
UNIT 1
1 Mark
1. Define signal transmission.
2. What is meant by information content in a signal?
3. Mention one example of mechanical signal transmission.
4. Define electromagnetic transmission.
5. What is meant by signal complexity?
2 MARK
1. State two reasons why mechanical energy transmission is inefficient.
2. Why does signal distortion increase with distance?
3. List two limitations of electrical signal transmission.
4. Differentiate between signal and energy transmission.
5. Why is mechanical transmission unsuitable for modern communication?
3 MARK
1. Explain electromagnetic energy transmission with one example.
2. Explain the effect of time delay in long-distance signal transmission.
3. Explain why electromagnetic signals are preferred for communication.
4. Explain the challenges involved in transmitting high-volume data.
5. Explain how distance affects signal strength.
4 MARK
1. Compare electrical and electromagnetic signal transmission with respect to
speed and loss.
2. Discuss complexity in signal transmission considering volume of
information and distance.
3. Analyze the need for converting mechanical signals into electrical signals.
4. Compare mechanical and electrical transmission in terms of reliability and
range.
5. Discuss the necessity of electrical-to-mechanical signal conversion in
practical systems.
UNIT-2
1 MARK
, 1. Define doping in semiconductors.
2. What is peak inverse voltage?
3. What is breakdown voltage?
4. Define clipping level.
5. Define ripple factor.
2 MARK
1. Distinguish between P-type and N-type semiconductors.
2. Define rectifier efficiency.
3. State two applications of Zener diode.
4. What is biased clipping?
5. Mention two limitations of Zener diode regulator.
3 MARK
1. Explain the formation of depletion region in a PN junction diode.
2. Explain half-wave rectification using a diode.
3. Explain Zener breakdown phenomenon.
4. Explain positive and negative clipping circuits.
5. Explain the working of a clamper circuit with waveform.
4 MARK
1. Explain forward and reverse bias operation of a PN junction diode.
2. Analyze why PN junction diodes are not ideal switches.
3. Explain voltage regulation using Zener diode with circuit.
4. Compare clipping and clamping circuits.
5. Analyze the limitations of PN junction diode in signal conditioning
applications.
UNIT-3
1 MARK
1. Define transistor action.
2. What is current gain (β)?
UNIT 1
1 Mark
1. Define signal transmission.
2. What is meant by information content in a signal?
3. Mention one example of mechanical signal transmission.
4. Define electromagnetic transmission.
5. What is meant by signal complexity?
2 MARK
1. State two reasons why mechanical energy transmission is inefficient.
2. Why does signal distortion increase with distance?
3. List two limitations of electrical signal transmission.
4. Differentiate between signal and energy transmission.
5. Why is mechanical transmission unsuitable for modern communication?
3 MARK
1. Explain electromagnetic energy transmission with one example.
2. Explain the effect of time delay in long-distance signal transmission.
3. Explain why electromagnetic signals are preferred for communication.
4. Explain the challenges involved in transmitting high-volume data.
5. Explain how distance affects signal strength.
4 MARK
1. Compare electrical and electromagnetic signal transmission with respect to
speed and loss.
2. Discuss complexity in signal transmission considering volume of
information and distance.
3. Analyze the need for converting mechanical signals into electrical signals.
4. Compare mechanical and electrical transmission in terms of reliability and
range.
5. Discuss the necessity of electrical-to-mechanical signal conversion in
practical systems.
UNIT-2
1 MARK
, 1. Define doping in semiconductors.
2. What is peak inverse voltage?
3. What is breakdown voltage?
4. Define clipping level.
5. Define ripple factor.
2 MARK
1. Distinguish between P-type and N-type semiconductors.
2. Define rectifier efficiency.
3. State two applications of Zener diode.
4. What is biased clipping?
5. Mention two limitations of Zener diode regulator.
3 MARK
1. Explain the formation of depletion region in a PN junction diode.
2. Explain half-wave rectification using a diode.
3. Explain Zener breakdown phenomenon.
4. Explain positive and negative clipping circuits.
5. Explain the working of a clamper circuit with waveform.
4 MARK
1. Explain forward and reverse bias operation of a PN junction diode.
2. Analyze why PN junction diodes are not ideal switches.
3. Explain voltage regulation using Zener diode with circuit.
4. Compare clipping and clamping circuits.
5. Analyze the limitations of PN junction diode in signal conditioning
applications.
UNIT-3
1 MARK
1. Define transistor action.
2. What is current gain (β)?
