Materials and Components
When a material is in superconducting state and a magnetic field is applied

The superconducting property is not affected
The material may become an insulator
The superconducting property may be destroyed
The superconducting property may be affected and resistivity may increase from zero to a low value

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

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
Decrease in metals but increase in intrinsic semiconductor

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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 a direction opposite to that of 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 the direction of E by an amount which is proportional to E.

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