Practice Prof. Pradip Mandal - 88.1.1 | 88. Numerical examples on current mirror and its applications (Part-C) | Analog Electronic Circuits - Vol 4
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88.1.1 - Prof. Pradip Mandal

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the purpose of a current mirror in a transistor circuit?

💡 Hint: Think about how we ensure consistency in current flow.

Question 2

Easy

If a transistor has a Beta value of 200 and we need a collector current of 2 mA, what is the base current?

💡 Hint: Recall how Beta relates collector and base currents.

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 role does Beta (β) play in current mirror circuits?

  • It determines the base current.
  • It measures output voltage.
  • It regulates supply voltage.

💡 Hint: Think about how transistors amplify input signals.

Question 2

T/F: A common emitter amplifier with an active load usually exhibits lower voltage gain compared to one without.

  • True
  • False

💡 Hint: Recall our discussions on circuit configurations.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a common emitter amplifier using two identical transistors with a current mirror setup. If the supply voltage is 12 V, determine the collector current with given Beta.

💡 Hint: Identify the dependencies of collector current on the input and Beta.

Question 2

What would be the expected output voltage if the Early voltage is significantly affected by temperature? Explain the deviations in output.

💡 Hint: Take into account thermal coefficients influencing circuit performance.

Challenge and get performance evaluation