The elements which become superconducting at extremely low temperatures are

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

Ferromagnetic at room temperature

Good conductors at room temperature

Relatively poor conductors at room temperature

Insulators at room temperature

Ferromagnetic at room temperature

Good conductors at room temperature

Relatively poor conductors at room temperature

Insulators at room temperature

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Materials and Components
The most important set of specifications of transformer oil include

dielectric strength and flash point

dielectric strength and viscosity

flash point and viscosity

viscosity and flash point

dielectric strength and flash point

dielectric strength and viscosity

flash point and viscosity

viscosity and flash point

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

Increases

Decreases

Remains constant

First decreases then increases

Increases

Decreases

Remains constant

First decreases then increases

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Materials and Components
In van der walls crystals, there exists a high degree of stability of the outer electron shell.

True

False

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Materials and Components
In an intrinsic semiconductor, at a given temperature T

The number of electrons-hole pairs generated per second due to thermal motion are equal to the number of electron-hole pairs lost per second due to recombination

The number of electron hole pairs generated per second due to thermal motion is always more than the number of electron-hole pairs lost per second due to recombination

Any of the above

The number of electron-hole pairs generated per second due to thermal motion is always less than the number of electron-hole pairs lost per second due to recombination

The number of electrons-hole pairs generated per second due to thermal motion are equal to the number of electron-hole pairs lost per second due to recombination

The number of electron hole pairs generated per second due to thermal motion is always more than the number of electron-hole pairs lost per second due to recombination

Any of the above

The number of electron-hole pairs generated per second due to thermal motion is always less than the number of electron-hole pairs lost per second due to recombination

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Materials and Components
An atom of a rare gas is placed is an electric field E. Then

The nucleus will not be shifted.

The nucleus will be shifted in the direction of E by an amount which is proportional to E.

The nucleus will be shifted in the direction of E by an amount which is independent of E.

The nucleus will be shifted in a direction opposite to that of E.

The nucleus will not be shifted.

The nucleus will be shifted in the direction of E by an amount which is proportional to E.

The nucleus will be shifted in the direction of E by an amount which is independent of E.

The nucleus will be shifted in a direction opposite to that of E.

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Materials and Components

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

Materials and Components The most important set of specifications of transformer oil include

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

Materials and Components In van der walls crystals, there exists a high degree of stability of the outer electron shell.

Materials and Components In an intrinsic semiconductor, at a given temperature T

Materials and Components An atom of a rare gas is placed is an electric field E. Then

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

Materials and Components
The most important set of specifications of transformer oil include

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

Materials and Components
In van der walls crystals, there exists a high degree of stability of the outer electron shell.

Materials and Components
In an intrinsic semiconductor, at a given temperature T

Materials and Components
An atom of a rare gas is placed is an electric field E. Then