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Materials and Components

Materials and Components
Debye temperature of metals is

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

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

2
29
9
11

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Materials and Components
In van der walls crystals, there exists a high degree of stability of the outer electron shell.

True
False

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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.

False
True

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Materials and Components
The resistance of a photoconductor

Remains constant
Increases with increase in light intensity
Decreases with increase in light intensity
May increase or decrease with increase in light intensity

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Materials and Components
The dielectric losses do not depend on frequency.

False
True

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