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Materials and Components

Materials and Components
Debye temperature of metals is

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

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

2
11
9
29

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Materials and Components
Spontaneous magnetisation is characteristic of ferromagnetic materials.

True
False

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

Thermal energy
Covalent bonding
Free electrons
Recombination

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Materials and Components
The unit for mmf is

V
A
Wb
T

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Materials and Components
As the viscosity of a liquid increases, the relaxation time

Decreases
Increases
Remains constant
First decreases then increases

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