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Materials and Components

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

Free electrons
Recombination
Thermal energy
Covalent bonding

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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.

True
False

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Materials and Components
Which inductor is linear?

Sheet steel cored
Air cored
Iron alloy cored
Cast iron cored

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Materials and Components
In van der walls crystals, there exists a high degree of stability of the outer electron shell.

False
True

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Materials and Components
Schrodinger wave equation is a

Partial differential equation
Linear equation
None of these
Differential equation

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Materials and Components
The resistance of a photoconductor

Decreases with increase in light intensity
May increase or decrease with increase in light intensity
Remains constant
Increases with increase in light intensity

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