Electronics and Communication Engineering (ECE) Exam > Electronics and Communication Engineering (ECE) Questions > Identify the correct statement/s.I. The other...
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Identify the correct statement/s.
I. The other name for the common collector amplifier is emitter follower.
II. Power gain of the common emitter amplifier is high.
I. The other name for the common collector amplifier is emitter follower.
II. Power gain of the common emitter amplifier is high.
- a)Only I
- b)Only II
- c)I & II
- d)None of the above.
Correct answer is option 'C'. Can you explain this answer?
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Identify the correct statement/s.I. The other name for the common coll...
Overview of Common Collector and Common Emitter Amplifiers
In electronics, understanding the characteristics of different amplifier configurations is crucial. The statements given about the common collector and common emitter amplifiers are both correct.
Statement I: Emitter Follower
- The common collector amplifier is indeed known as an emitter follower.
- This configuration is characterized by a voltage follower trait, where the output voltage follows the input voltage.
- It provides high input impedance and low output impedance, making it ideal for impedance matching.
Statement II: High Power Gain
- The common emitter amplifier is known for its high power gain.
- In this configuration, a small change in the input signal leads to a significant change in the output signal.
- This amplifier is widely used in applications where amplification of weak signals is necessary.
Conclusion
Therefore, both statements are true:
- I: The common collector amplifier is indeed called an emitter follower.
- II: The common emitter amplifier has a high power gain.
Given that both statements are accurate, the correct answer is option 'C', which states that both I and II are correct. Understanding these amplifier configurations is essential for effective circuit design and application in electronics.
In electronics, understanding the characteristics of different amplifier configurations is crucial. The statements given about the common collector and common emitter amplifiers are both correct.
Statement I: Emitter Follower
- The common collector amplifier is indeed known as an emitter follower.
- This configuration is characterized by a voltage follower trait, where the output voltage follows the input voltage.
- It provides high input impedance and low output impedance, making it ideal for impedance matching.
Statement II: High Power Gain
- The common emitter amplifier is known for its high power gain.
- In this configuration, a small change in the input signal leads to a significant change in the output signal.
- This amplifier is widely used in applications where amplification of weak signals is necessary.
Conclusion
Therefore, both statements are true:
- I: The common collector amplifier is indeed called an emitter follower.
- II: The common emitter amplifier has a high power gain.
Given that both statements are accurate, the correct answer is option 'C', which states that both I and II are correct. Understanding these amplifier configurations is essential for effective circuit design and application in electronics.
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Identify the correct statement/s.I. The other name for the common coll...
- The common collector transistor circuit configuration gains its name from the fact that the collector circuit is common to both input and output circuits, the base is associated with only the input, and then the emitter with the output only.
- The other name for the common collector is emitter follower. This name is derived from the fact that the emitter voltage "follows" that of the base circuit - the circuit has unit voltage gain.
- The emitter follower transistor amplifier has a very straightforward circuit. The base is connected to the previous stage, and often this may be directly connected as this can save on additional bias resistors which lower the input impedance and hence increase the loading to the previous stage.
- The power gain of a common emitter (CE) amplifier is higher than the power gain of a common collector (CC) amplifier or a common base (CB) amplifier
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Identify the correct statement/s.I. The other name for the common collector amplifier is emitter follower.II. Power gain of the common emitter amplifier is high.a)Only Ib)Only IIc)I & IId)None of the above.Correct answer is option 'C'. Can you explain this answer?
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Solutions for Identify the correct statement/s.I. The other name for the common collector amplifier is emitter follower.II. Power gain of the common emitter amplifier is high.a)Only Ib)Only IIc)I & IId)None of the above.Correct answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Electronics and Communication Engineering (ECE).
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