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Materials and Components

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

Decreases
Remains constant
First decreases then increases
Increases

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Materials and Components
The elements which become superconducting at extremely low temperatures are

Insulators at room temperature
Relatively poor conductors at room temperature
Ferromagnetic at room temperature
Good conductors at room temperature

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Materials and Components
As the atoms of rare gases become larger, electronic polarizability

Increases
Decreases
Remains the same
May increase or decrease

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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
A leakage capacitor can be represented by a capacitance C and resistance R in parallel C.

True
False

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Materials and Components
The fact that domains exhibits spontaneous magnetisation is

Boltzmann’s statistics
First hypothesis is of Curie
Second hypothesis is of Weiss
Curie-Weiss law

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