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Materials and Components

Materials and Components
A leakage capacitor can be represented by a capacitance C and resistance R in parallel C.

True
False

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Materials and Components
The materials which become polarized on the application of mechanical stress are called piezoelectric.

True
False

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

May increase or decrease
Remains the same
Increases
Decreases

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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
High permittivity
Low permittivity
Permittivity which is neither high nor low

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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.

True
False

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

14
12
4
8

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