Spontaneous magnetisation is characteristic of ferromagnetic materials.

Materials and Components
Spontaneous magnetisation is characteristic of ferromagnetic materials.

False

True

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Materials and Components
Nickel is a non-magnetic material.

True

False

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

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

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

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Materials and Components
A characteristic property of crystal is its periodicity of structure.

False

True

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

Increases

Remains constant

Decreases

First decreases then increases

Increases

Remains constant

Decreases

First decreases then increases

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

12

4

8

14

12

4

8

14

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Materials and Components

Materials and Components Spontaneous magnetisation is characteristic of ferromagnetic materials.

Materials and Components Nickel is a non-magnetic material.

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

Materials and Components A characteristic property of crystal is its periodicity of structure.

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

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

Materials and Components
Spontaneous magnetisation is characteristic of ferromagnetic materials.

Materials and Components
Nickel is a non-magnetic material.

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

Materials and Components
A characteristic property of crystal is its periodicity of structure.

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

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