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Physics Part II: Semiconductor Electronics Quiz

Class XII
Physics
Semiconductor Electronics: Materials, Devices and Simple Circuits
15 questions
HARD

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Preview questions

1. What type of semiconductor is formed by doping silicon with phosphorus?

P-type · N-type · Intrinsic · Amorphous

2. Which device is used to convert AC to DC?

Transistor · Diode · Rectifier · Capacitor

3. In a PN junction diode, what happens at the junction when forward bias is applied?

Depletion region widens · Depletion region narrows · Current stops flowing · Voltage increases indefinitely

4. What is the main function of a Zener diode?

Rectification · Voltage regulation · Amplification · Signal modulation

5. Which of the following is a characteristic of intrinsic semiconductors?

High conductivity · Temperature dependent conductivity · Doping required · Negative temperature coefficient

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