Hall effect is observed in a specimen (metal or semi conductor) when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is

Materials and Components
Hall effect is observed in a specimen (metal or semi conductor) when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is

Normal to both current and magnetic field

In the same direction as current

In a direction anti parallel to magnetic field

None of these

Normal to both current and magnetic field

In the same direction as current

In a direction anti parallel to magnetic field

None of these

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

Any of the above

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 less than 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 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 less than 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

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

False

True

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Materials and Components
Spontaneous magnetisation is characteristic of ferromagnetic materials.

False

True

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

Insulators at room temperature

Ferromagnetic at room temperature

Relatively poor conductors at room temperature

Good conductors at room temperature

Insulators at room temperature

Ferromagnetic at room temperature

Relatively poor conductors at room temperature

Good conductors at room temperature

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Materials and Components
Above a certain temperature, the specific heat of a metal becomes constant. This temperature is called

Debye temperature

Curie temperature

Transition temperature

Neel temperature

Debye temperature

Curie temperature

Transition temperature

Neel temperature

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Materials and Components

Materials and Components Hall effect is observed in a specimen (metal or semi conductor) when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is

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

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

Materials and Components Spontaneous magnetisation is characteristic of ferromagnetic materials.

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

Materials and Components Above a certain temperature, the specific heat of a metal becomes constant. This temperature is called

Materials and Components
Hall effect is observed in a specimen (metal or semi conductor) when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is

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

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

Materials and Components
Spontaneous magnetisation is characteristic of ferromagnetic materials.

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

Materials and Components
Above a certain temperature, the specific heat of a metal becomes constant. This temperature is called