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Materials and Components

Materials and Components
Many compounds also exhibit semiconducting properties.

False
True

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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

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

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Materials and Components
The resistance of a photoconductor

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

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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
The most important set of specifications of transformer oil include

flash point and viscosity
dielectric strength and flash point
dielectric strength and viscosity
viscosity and flash point

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Materials and Components
Ferrimagnetic materials have anti parallel orientation of equal moments of permanent dipoles.

True
False

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