Practice IC Voltage Regulators - 4 | 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 does the 'XX' in the 78XX series represent?

πŸ’‘ Hint: Think about the numbers that follow the 78.

Question 2

Easy

Name one application of the 79XX series.

πŸ’‘ Hint: Consider where negative voltage is necessary.

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 7805 regulator provide?

  • 3V
  • 5V
  • 12V

πŸ’‘ Hint: Remember what the numbers indicate in the part numbers.

Question 2

Is the 79XX series used for positive voltage regulation?

  • True
  • False

πŸ’‘ Hint: Think about the type of voltage each series manages.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a circuit needing a 12V power source for a microcontroller and -5V for an operational amplifier, how would you integrate both the 78XX and 79XX series? Sketch the circuit.

πŸ’‘ Hint: Think about how to connect both regulators from a common supply.

Question 2

Discuss the failures that might occur if a device is supplied with voltage below its operational requirements due to an incorrectly chosen regulator.

πŸ’‘ Hint: Consider a device's operational range and the repercussions of underperformance.

Challenge and get performance evaluation