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Materials and Components

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

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 viscosity
viscosity and flash point
dielectric strength and flash point

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

11
2
9
29

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Materials and Components
The phenomenon of dielectric hysteresis occurs with

None of these
AC
Both AC and DC
DC

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Materials and Components
In a metal, the valence electrons

Are shared only between neighbouring atoms
Are not shared
Are shared by all atoms
Either B or C

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Materials and Components
Many compounds also exhibit semiconducting properties.

False
True

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