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Materials and Components

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

2
11
29
9

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Materials and Components
As the atoms of rare gases become larger, electronic polarizability

May increase or decrease
Increases
Decreases
Remains the same

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Materials and Components
The phenomenon of dielectric hysteresis occurs with

Both AC and DC
DC
AC
None of these

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Materials and Components
If the number of atoms per unit volume of a monoatomic gas changes, the dielectric constant still remains constant.

False
True

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Materials and Components
The rule that resistivity of conductors can be separated into two parts viz. temperature independent and temperature dependent is known as

Curie rule
Debye rule
Matthiessen’s rule
Onne’s rule

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Materials and Components
In a metal, the valence electrons

Either B or C
Are shared only between neighbouring atoms
Are not shared
Are shared by all atoms

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