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Materials and Components

Materials and Components
Many compounds also exhibit semiconducting properties.

True
False

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Materials and Components
A vacant electronic state moves in the same direction as would a positive charge carrier.

False
True

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

True
False

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Materials and Components
The phenomenon of dielectric hysteresis occurs with

AC
None of these
Both AC and DC
DC

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

Decreases
Remains constant
Increases
First decreases then increases

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Materials and Components
The elements which become superconducting at extremely low temperatures are

Relatively poor conductors at room temperature
Insulators at room temperature
Good conductors at room temperature
Ferromagnetic at room temperature

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