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Materials and Components

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

4
12
14
8

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Materials and Components
The unit for mmf is

T
Wb
V
A

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Materials and Components
The phenomenon of dielectric hysteresis occurs with

AC
None of these
DC
Both AC and DC

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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

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

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

Increases
May increase or decrease
Decreases
Remains the same

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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, ionic and permanent
Electronic and ionic
Electronic only

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