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Class XII Physics Quiz on Semiconductor Electronics

Class XII
Physics
Semiconductor Electronics: Materials, Devices and Simple Circuits
14 questions
MEDIUM

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Preview questions

1. What is the primary characteristic of a semiconductor?

Conducts electricity well · Insulates against electricity · Conductivity between conductors and insulators · Only conducts at high temperatures

2. Which of the following materials is commonly used as a semiconductor?

Copper · Silicon · Gold · Aluminum

3. What type of semiconductor is formed by adding trivalent impurities?

N-type · P-type · Intrinsic · Metallic

4. What is the role of a diode in a circuit?

Amplifies signals · Blocks current in one direction · Stores electrical energy · Converts AC to DC

5. In a P-N junction, what is the region called where no charge carriers exist?

Depletion region · Conduction band · Valence band · Neutral zone