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Materials and Components

Materials and Components
If the number of atoms per unit volume of a monoatomic gas changes, the dielectric constant still remains constant.

False
True

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Materials and Components
Piezoelectricity means the slight change in dimensions of a specimen when an electric field is applied.

True
False

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Materials and Components
Above a certain temperature, the specific heat of a metal becomes constant. This temperature is called

Debye temperature
Transition temperature
Curie temperature
Neel temperature

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Materials and Components
The unit for mmf is

T
V
A
Wb

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Materials and Components
Spontaneous magnetisation is characteristic of ferromagnetic materials.

False
True

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Materials and Components
In a metal, the valence electrons

Either B or C
Are shared only between neighbouring atoms
Are shared by all atoms
Are not shared

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