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Materials and Components

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

14
12
8
4

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Materials and Components
For making a capacitor it is better to have a dielectric having

Permittivity same as that of air
Permittivity which is neither high nor low
High permittivity
Low permittivity

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

False
True

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Materials and Components
Spontaneous magnetisation is characteristic of ferromagnetic materials.

False
True

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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 only
Electronic and ionic

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Materials and Components
Schrodinger wave equation is a

Differential equation
None of these
Linear equation
Partial differential equation

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