Question:
: The electrons in the conduction band have higher energy than those in the valence band of a semiconductor.
: The conduction band is above the energy gap and valence band lies below the energy gap.
: The electrons in the conduction band have higher energy than those in the valence band of a semiconductor.
: The conduction band is above the energy gap and valence band lies below the energy gap.
Updated On: Jul 6, 2022
- If both assertion and reason are true and reason is the correct explanation of assertion.
- If both assertion and reason are true but reason is not the correct explanation of assertion.
- If assertion is true but reason is false.
- If both assertion and reason are false.
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The Correct Option is A
Solution and Explanation
Here, both Assertion and Reason are correct and Reason is correct explanation of Assertion.
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Notes on Semiconductor electronics: materials, devices and simple circuits
Concepts Used:
Semiconductors
Semiconductors are a crystalline solid materials, whose electrical conductivity lies between a conductor and an insulator. Semiconductors are mainly used in the manufacturing of electronic devices like capacitors, transistors, diodes, Integrated circuits, etc.
Properties of Semiconductor:
- Semiconductor acts like an insulator at Zero Kelvin. On increasing the temperature, it works as a conductor.
- Due to their exceptional electrical properties, semiconductors can be modified by doping to make semiconductor devices suitable for energy conversion, switches, and amplifiers.
- Lesser power losses.
Uses of Semiconductor:
- Semiconductors are widely used in manufacturing electronics devices like transistors, diodes, sensors, integrated circuits.
- Semiconductors are widely used in all electronic devices, like mobile phones, digital cameras, communication devices, trains, ATMs, etc.