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Materials and Components

Materials and Components
The merger of hole and free electron is called

Free electrons
Covalent bonding
Recombination
Thermal energy

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

False
True

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Materials and Components
On the basis of the type of chemical bonds, solids may be classified into

Ionic crystals, valence crystals, metal and vander wall crystals
Ionic crystal, valence crystals and metals
Ionic crystals
Ionic and valence crystals

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

Increases
May increase or decrease
Remains the same
Decreases

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Materials and Components
Many compounds also exhibit semiconducting properties.

False
True

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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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