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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
Which of the following are true for relative dielectric constant?1. It is dimensionless.2. It is equal to 1 for vacuum.3. It is equal to 1 for all substances.

1 and 2 only
1 and 3 only
1, 2 and 3
2 and 3 only

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

Transition temperature
Debye temperature
Curie temperature
Neel temperature

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Materials and Components
Which inductor is linear?

Air cored
Cast iron cored
Sheet steel cored
Iron alloy cored

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

11
29
2
9

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