Ferrimagnetic materials have anti parallel orientation of equal moments of permanent dipoles.

Materials and Components
Ferrimagnetic materials have anti parallel orientation of equal moments of permanent dipoles.

True

False

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Materials and Components
The phenomenon of dielectric hysteresis occurs with

Both AC and DC

DC

None of these

AC

Both AC and DC

DC

None of these

AC

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Materials and Components
The number of protons in a copper atom are

2

9

11

29

2

9

11

29

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Materials and Components
At room temperature the number of conducting electrons in an intrinsic semiconductor

Is about half the number of valence electrons

Is small as compared to the number of valence electrons

Is a very small fraction of the number of valence electrons

Is almost equal to the number of valence electrons

Is about half the number of valence electrons

Is small as compared to the number of valence electrons

Is a very small fraction of the number of valence electrons

Is almost equal to the number of valence electrons

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Materials and Components
In an intrinsic semiconductor, at a given temperature T

The number of electrons-hole pairs generated per second due to thermal motion are equal to the number of electron-hole pairs lost per second due to recombination

Any of the above

The number of electron-hole pairs generated per second due to thermal motion is always less than the number of electron-hole pairs lost per second due to recombination

The number of electron hole pairs generated per second due to thermal motion is always more than the number of electron-hole pairs lost per second due to recombination

The number of electrons-hole pairs generated per second due to thermal motion are equal to the number of electron-hole pairs lost per second due to recombination

Any of the above

The number of electron-hole pairs generated per second due to thermal motion is always less than the number of electron-hole pairs lost per second due to recombination

The number of electron hole pairs generated per second due to thermal motion is always more than the number of electron-hole pairs lost per second due to recombination

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Materials and Components
As the viscosity of a liquid increases, the relaxation time

Remains constant

First decreases then increases

Increases

Decreases

Remains constant

First decreases then increases

Increases

Decreases

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Materials and Components

Materials and Components Ferrimagnetic materials have anti parallel orientation of equal moments of permanent dipoles.

Materials and Components The phenomenon of dielectric hysteresis occurs with

Materials and Components The number of protons in a copper atom are

Materials and Components At room temperature the number of conducting electrons in an intrinsic semiconductor

Materials and Components In an intrinsic semiconductor, at a given temperature T

Materials and Components As the viscosity of a liquid increases, the relaxation time

Materials and Components
Ferrimagnetic materials have anti parallel orientation of equal moments of permanent dipoles.

Materials and Components
The phenomenon of dielectric hysteresis occurs with

Materials and Components
The number of protons in a copper atom are

Materials and Components
At room temperature the number of conducting electrons in an intrinsic semiconductor

Materials and Components
In an intrinsic semiconductor, at a given temperature T

Materials and Components
As the viscosity of a liquid increases, the relaxation time