Question:

Given below are two statements:
Statement I: Photovoltaic devices can convert optical radiation into electricity.
Statement II: Zener diode is designed to operate under reverse bias in breakdown region.
In the light of the above statements, choose the most appropriate answer from the options given below:

Updated On: Oct 2, 2024
  • Statement I is incorrect but Statement II is correct.

  • Statement I and Statement II are incorrect.

  • Both Statement I and Statement II are correct.

  • Statement I is correct but Statement II is incorrect

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The Correct Option is C

Solution and Explanation

The correct option is (C): Both Statement I and Statement II are correct.

I: Photovoltaic devices convert optical radiation into electricity. 

II: Zener diode is designed to operate under reverse bias in breakdown region. 

e.g., Zener diode as a voltage regulator.

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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:

  1. Semiconductor acts like an insulator at Zero Kelvin. On increasing the temperature, it works as a conductor.
  2. Due to their exceptional electrical properties, semiconductors can be modified by doping to make semiconductor devices suitable for energy conversion, switches, and amplifiers.
  3. Lesser power losses.

Uses of Semiconductor:

  1. Semiconductors are widely used in manufacturing electronics devices like transistors, diodes, sensors, integrated circuits.
  2. Semiconductors are widely used in all electronic devices, like mobile phones, digital cameras, communication devices, trains, ATMs, etc.