Practice Electronic Devices (9) - Electronic Devices

Practise this section

11 questions

Flashcard drill
5 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
5 questions · about 3 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What are the differences between conductors, insulators, and semiconductors?
Show hintHide hint
Consider how electricity flows through each type.
Question 2.
Define a p-n junction diode.
Show hintHide hint
Think about what happens at the junction of two types of semiconductors.
3Question 3.
What is the primary role of a diode?
- To amplify signals
- To allow current to flow in one direction
- To store electric charge
Show hintHide hint
Remember the unique characteristic of diodes.
4Question 4.
True/False: A Zener diode can operate in reverse bias.
- True
- False
Show hintHide hint
Consider the applications of Zener diodes.
Question 5.
Design a basic circuit diagram using a transistor as a switch. Explain how it works in both cut-off and saturation states.
Show hintHide hint
Think about the connections and role of the transistor in each state.
Question 6.
Explain how a photodiode operates when light is incident on it, and provide a real-world application.
Show hintHide hint
Focus on the principle of light interaction with semiconductors.

7 more questions in this section. Enroll free to practise them all.