Class XII Physics Quiz on Semiconductor Electronics
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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
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