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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the output voltage of the 7805?
💡 Hint: Think of the number indicated in the model.
Question 2
Easy
What kind of devices often use 78XX series regulators?
💡 Hint: Consider which devices need stable power.
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 provide?
- 12V
- 9V
- 5V
💡 Hint: Think of the model number.
Question 2
True or False: The 7812 outputs 5 volts.
- True
- False
💡 Hint: Recall the output specifications.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a simple power supply circuit using both a 7805 and a 7812 to power a microcontroller and a sensor. Explain how the output can be stabilized.
💡 Hint: Consider how each part of your circuit requires different voltage levels.
Question 2
If a load connected to the 7805 requires 500 mA and the input voltage is 12V, calculate the power dissipation in the regulator and discuss heat management strategies.
💡 Hint: Think about how heat is generated and how it can be dissipated.
Challenge and get performance evaluation