Practice 79XX Series - 4.2 | Semiconductor Devices and Applications | Basic Electronics Engineering
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the purpose of a voltage regulator?

πŸ’‘ Hint: Think about its role in electronic circuits.

Question 2

Easy

Name one output of the 79XX series.

πŸ’‘ Hint: They are both negative voltage outputs.

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 output voltage does the 7905 give?

  • 0V
  • -5V
  • 5V

πŸ’‘ Hint: Focus on the code numbers.

Question 2

True or False: The 7912 outputs a positive voltage.

  • True
  • False

πŸ’‘ Hint: Recall the series designation.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a power supply circuit using both the 7905 and 7912. Describe how each regulator will contribute to the overall circuit functionality.

πŸ’‘ Hint: Think about how each regulator supports different parts of an embedded system.

Question 2

Explain the significance of using a voltage regulator in an operational amplifier circuit. What could happen if the voltage is not regulated?

πŸ’‘ Hint: Consider the stability requirements for sensitive electronic components.

Challenge and get performance evaluation