Electrical Properties

IMPORTANT

Electrical Properties: Overview

This topic covers concepts, such as, Band Theory to Explain Electrical Behaviour of a Solid, Electrical Properties of Solids, Ferroelectricity & Anti-Ferro Electricity etc.

Important Questions on Electrical Properties

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What is effect of Pyroelectric coefficient with Temperature?

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What are applications of pyroeletricity?

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Pyroelectricity is an application of dielectric properties of solid.

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What is Pyroelectricity or Pyroelectric Material?

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Pure silicon doped with phosphorus is

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Which of the following are dielectric properties of solids:

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To get an n-type semiconductor from silicon, it should be doped with a substance with valency:

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The one that is extensively used as a piezoelectric material is:
 

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Which of the following is true about the charge acquired by p-type semiconductors?

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Which kind of defects are introduced by doping?

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Which of the following oxides behaves as conductor or insulator depending upon temperature?

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Which of the following oxides shows electrical properties like metals?

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Explain the following with suitable examples:

Pyroelectricity 

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n-type semiconductor is formed when trace amount of impurity is added to silicon. The number of electrons in the impurity atom must be

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p-type semiconductor is formed when trace amount of impurity is added to silicon. The number of valence electrons in the impurity atom must be

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The one that is extensively used as a piezoelectric material is

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Doping of silicon with P or Al increases the conductivity. The difference in these two cases is

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In a gas lighter, mechanical energy is converted into electrical energy by using crystals of barium titanate. The barium titanate is

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Electrostatic separation method is used to seperate PbS from ZnS. The property utilized in this method is

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What we get if pure germanium is doped with arsenic?