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Materials and Components

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
The elements which become superconducting at extremely low temperatures are

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

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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 only
Electronic and ionic
Electronic, ionic and permanent

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Materials and Components
Schrodinger wave equation is a

Linear equation
Partial differential equation
None of these
Differential equation

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Materials and Components
Debye temperature of metals is

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

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Materials and Components
Electric dipole moment is expressed in debye unit.

True
False

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