A solid having uppermost energy band partially filled with electrons is called

Important Questions on Semiconductor Electronics: Materials, Devices and Simple Circuits

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Gamma Question Bank for Medical Physics>Chapter 24 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment>Q 3

The energy gap for an insulator may be

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Gamma Question Bank for Medical Physics>Chapter 24 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment>Q 4

The semiconductors are generally

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Gamma Question Bank for Medical Physics>Chapter 24 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment>Q 5

A pure semiconductor has:

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Gamma Question Bank for Medical Physics>Chapter 24 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment>Q 6

The rate of recombination or generation are governed by the law(s) of

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Gamma Question Bank for Medical Physics>Chapter 24 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment>Q 7

The impurity atoms with which pure silicon should be doped to make a $p$-type semiconductor are

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Gamma Question Bank for Medical Physics>Chapter 24 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment>Q 8

In semiconductors, which of the following relations is correct at thermal equilibrium?

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Gamma Question Bank for Medical Physics>Chapter 24 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment>Q 9

An $n$-type semiconductor is electrically

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Gamma Question Bank for Medical Physics>Chapter 24 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment>Q 10

In an intrinsic semiconductor, the density of conduction electrons is $7.07\times {10}^{15}{ \mathrm{m}}^{-3}.$ When it is doped with indium, the density of holes becomes $5\times {10}^{22}{ \mathrm{m}}^{-3}.$ Find the density of conduction electrons in doped semiconductor