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Materials and Components

Materials and Components
Debye temperature of metals is

About 2 K
About 10 K
About 600 K
About 200 K

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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
Neel temperature
Curie temperature

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Materials and Components
When a dielectric material is subjected to alternating field, the absorption of energy by the material from the field is given by the imaginary part of polarizability.

True
False

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Materials and Components
The unit for mmf is

V
Wb
T
A

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Materials and Components
On the basis of the type of chemical bonds, solids may be classified into

Ionic crystal, valence crystals and metals
Ionic crystals
Ionic and valence crystals
Ionic crystals, valence crystals, metal and vander wall crystals

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Materials and Components
In solid insulator materials having only one kind of atom, the types of polarization which exist are

Electronic, ionic and permanent
Electronic and ionic
Electronic only

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