Question:
In a p–n junction photocell, the value of the photo electromotive force produced by monochromatic light is proportional to
In a p–n junction photocell, the value of the photo electromotive force produced by monochromatic light is proportional to
Updated On: Oct 9, 2023
The intensity of the light falling on the cell
The frequency of the light falling on the cell
The voltage applied at the p–n junction
The barrier voltage at the p–n junction
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The Correct Option is A
Solution and Explanation
In a p-n junction photocell, the photo electromotive force generated by monochromatic light is directly proportional to the intensity of the incident light.
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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:
- 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.