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

The nucleus will be shifted in a direction opposite to that of E.
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 not be shifted.

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Materials and Components
With increase in temperature, the electrical conductivity would

Decrease in metals but increase in intrinsic semiconductor
Increase in metals as well as in intrinsic semiconductor
Increase in metals but decrease in intrinsic semiconductor
Decrease in metals as well as in intrinsic semiconductor

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

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

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