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Consider the following statements in respect of a transistor R-C coupled amplifier:
1. The low frequency response is determined by the transistor junction capacitors.
2. The high frequency response is limited by coupling capacitors.
3. The Miller capacitance reduces the gain at high frequencies.
4. As the gain is increased the bandwidth gets reduced.
Which of these statements are correct?
  • a)
    1 and 2
  • b)
    2 and 3
  • c)
    3 and 4
  • d)
    1 and 4
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Consider the following statements in respect of a transistor R-C coupl...
Transistor R-C coupled amplifier:

Transistor R-C coupled amplifier is a commonly used amplifier circuit in electronic circuits. It is a type of amplifier in which the transistor is connected in a common-emitter configuration and the coupling between the stages is done through resistors and capacitors.

Correct statements:

2. The high frequency response is limited by coupling capacitors.

3. The Miller capacitance reduces the gain at high frequencies.

Explanation:

Statement 1 is incorrect because the low-frequency response of a transistor R-C coupled amplifier is determined by the coupling capacitors and the biasing resistors. The transistor junction capacitors have a negligible effect on the low-frequency response.

Statement 2 is correct because the high-frequency response of a transistor R-C coupled amplifier is limited by the coupling capacitors. The capacitors act as high-pass filters and block low-frequency signals while allowing high-frequency signals to pass through.

Statement 3 is correct because the Miller capacitance between the input and output of the transistor reduces the gain at high frequencies. The Miller capacitance is an internal capacitance that exists between the transistor input and output and acts as a negative feedback loop, reducing the overall gain of the amplifier at high frequencies.

Statement 4 is incorrect because as the gain is increased, the bandwidth of the transistor R-C coupled amplifier also increases. The bandwidth is defined as the frequency range over which the amplifier can amplify signals without significant distortion. Therefore, the correct option is B, i.e., statements 2 and 3 are correct.
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Consider the following statements in respect of a transistor R-C coupled amplifier:1. The low frequency response is determined by the transistor junction capacitors.2. The high frequency response is limited by coupling capacitors.3. The Miller capacitance reduces the gain at high frequencies.4. As the gain is increased the bandwidth gets reduced.Which of these statements are correct?a)1 and 2b)2 and 3c)3 and 4d)1 and 4Correct answer is option 'B'. Can you explain this answer?
Question Description
Consider the following statements in respect of a transistor R-C coupled amplifier:1. The low frequency response is determined by the transistor junction capacitors.2. The high frequency response is limited by coupling capacitors.3. The Miller capacitance reduces the gain at high frequencies.4. As the gain is increased the bandwidth gets reduced.Which of these statements are correct?a)1 and 2b)2 and 3c)3 and 4d)1 and 4Correct answer is option 'B'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about Consider the following statements in respect of a transistor R-C coupled amplifier:1. The low frequency response is determined by the transistor junction capacitors.2. The high frequency response is limited by coupling capacitors.3. The Miller capacitance reduces the gain at high frequencies.4. As the gain is increased the bandwidth gets reduced.Which of these statements are correct?a)1 and 2b)2 and 3c)3 and 4d)1 and 4Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements in respect of a transistor R-C coupled amplifier:1. The low frequency response is determined by the transistor junction capacitors.2. The high frequency response is limited by coupling capacitors.3. The Miller capacitance reduces the gain at high frequencies.4. As the gain is increased the bandwidth gets reduced.Which of these statements are correct?a)1 and 2b)2 and 3c)3 and 4d)1 and 4Correct answer is option 'B'. Can you explain this answer?.
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