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Materials and Components

Materials and Components
Debye temperature of metals is

About 600 K
About 200 K
About 10 K
About 2 K

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Materials and Components
Which inductor is used at high frequencies?

Cast iron cored
Iron alloy cored
Sheet steel cored
Ceramic cored

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Materials and Components
In a metal, the valence electrons

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

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

False
True

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Materials and Components
Wood is a diamagnetic material.

False
True

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

2
11
29
9

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