Practice Numerical Examples - 93.1.8 | 93. Feedback system (Part-D) | Analog Electronic Circuits - Vol 4
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Calculate the voltage gain of an amplifier with A = 150 and Ξ² = 0.1.

πŸ’‘ Hint: Use the formula A_f = A / (1 + AΞ²).

Question 2

Easy

What happens to input resistance when negative feedback is applied?

πŸ’‘ Hint: Think about the circuit stability.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does the term feedback (Ξ²) refer to in amplifier circuits?

  • A method to increase gain
  • A fraction of output fed to input
  • Resistance modulation

πŸ’‘ Hint: Think about how amplifiers stabilize their behavior.

Question 2

True or False: Negative feedback reduces input resistance in amplifiers.

  • True
  • False

πŸ’‘ Hint: Recall the effects of feedback on circuit parameters.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design an amplifier circuit using the parameters stated in section 1.8 and optimize for maximum voltage gain while considering non-ideal conditions.

πŸ’‘ Hint: Analyze how adjustments to R_s influence final calculations.

Question 2

Create a detailed schematic diagram for an amplifier considering various feedback mechanisms discussed in this section.

πŸ’‘ Hint: Remember to depict both ideal and non-ideal feedback paths.

Challenge and get performance evaluation