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

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

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

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

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Materials and Components
The residual resistivity of a binary alloy at 0 K is

Product of residual resistivities of component metals
Difference of residual resistivities of component metals
Sum of residual resistivities of component metals
Dependent on the concentration of minor component in the alloy

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