Electromagnetic Theory Polarization Online Exam Quiz

Electromagnetic Theory Polarization GK Quiz. Question and Answers related to Electromagnetic Theory Polarization. MCQ (Multiple Choice Questions with answers about Electromagnetic Theory Polarization

Calculate the energy stored per unit volume in a dielectric medium due to polarisation when P = 9 units and E = 8 units.

Options

A : 1.77

B : 2.25

C : 36

D : 144

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Calculate the polarisation vector of the material which has 100 dipoles per unit volume in a volume of 2 units.

Options

A : 200

B : 50

C : 400

D : 0.02

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Calculate the polarisation vector in air when the susceptibility is 5 and electric field is 12 units.

Options

A : 3

B : 2

C : 60

D : 2.4

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Identify which type of polarisation depends on temperature.

Options

A : Electronic

B : Ionic

C : Orientational

D : Interfacial

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In the given types of polarisation, which type exists in the semiconductor?

Options

A : Electronic

B : Ionic

C : Orientational

D : Interfacial or space charge

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Solids do not have which type of polarisation?

Options

A : Ionic

B : Orientational

C : Interfacial

D : Electronic

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The best definition of polarisation is

Options

A : Orientation of dipoles in random direction

B : Electric dipole moment per unit volume

C : Orientation of dipole moments

D : Change in polarity of every dipole

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In isotropic materials, which of the following quantities will be independent of the direction?

Options

A : Permittivity

B : Permeability

C : Polarisation

D : Polarizability

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The total polarisation of a material is the

Options

A : Product of all types of polarisation

B : Sum of all types of polarisation

C : Orientation directions of the dipoles

D : Total dipole moments in the material

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Polarizability is defined as the

Options

A : Product of dipole moment and electric field

B : Ratio of dipole moment to electric field

C : Ratio of electric field to dipole moment

D : Product of dielectric constant and dipole moment

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