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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a PN junction diode?
💡 Hint: Think about how diodes control current flow.
Question 2
Easy
What does a Zener diode do?
💡 Hint: Consider the Zener diode's performance in reverse bias.
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 is the primary function of a diode?
- To block current
- To allow current in both directions
- To allow current in one direction
💡 Hint: Consider how diodes function in circuits.
Question 2
True or False: A Zener diode operates effectively in the forward bias region.
- True
- False
💡 Hint: Reflect on the unique properties of Zener diodes.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A half-wave rectifier has an input AC peak voltage of 12V. Calculate the average output DC voltage. If a load draws 300mA, what would be the ripple voltage if a filter capacitor of 470µF is used?
💡 Hint: Use the average output voltage formula and apply the ripple voltage calculation based on load and capacitance.
Question 2
Design a circuit using a Zener diode to maintain a 5V output from a variable input of 9V - 12V. Calculate the resistance needed for the series resistor if the Zener knee current is 1mA and it can handle 20mA maximum.
💡 Hint: Calculate values considering both minimum and maximum Zener current scenarios.
Challenge and get performance evaluation