Symbol for photo-diode is

Important Questions on Semiconductors

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Physics Crash Course MHT-CET>Chapter 24 - Semiconductors>Exercise 1>Q 211

Electron hole pairs are generated in a photodiode

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Physics Crash Course MHT-CET>Chapter 24 - Semiconductors>Exercise 1>Q 212

Photocurrent in a photodiode depends upon

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Physics Crash Course MHT-CET>Chapter 24 - Semiconductors>Exercise 1>Q 214

Usually $\mathrm{Si}$ is used in the designing of photodiodes because

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Physics Crash Course MHT-CET>Chapter 24 - Semiconductors>Exercise 1>Q 215

A solar cell

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Physics Crash Course MHT-CET>Chapter 24 - Semiconductors>Exercise 1>Q 216

Photodiode is a device  

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IMPORTANT

Physics Crash Course MHT-CET>Chapter 24 - Semiconductors>Exercise 1>Q 218

For a photodiode, the forbidden energy gap $\left(E_{\mathrm{g}}\right)$ of the material used is $2.8 \mathrm{eV}$ and wavelength of radiation $\left(\lambda \right)$ incident on it is $5780 \stackrel{\circ }{\mathrm{A}}$. Then, the emission of electrons is possible when incident radiation has,

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Physics Crash Course MHT-CET>Chapter 24 - Semiconductors>Exercise 1>Q 219

The maximum wavelength which a photodiode can detect with $E_{\mathrm{g}}=0.74\mathrm{eV}$ is,
 

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Physics Crash Course MHT-CET>Chapter 24 - Semiconductors>Exercise 1>Q 220

The value of  $\beta$ for a transistor, for which $\alpha =0.95,$ will be-