Easy
For protecting a sensitive equipment from the external magnetic field,it should be
- APlaced inside an aluminium can
- BPlaced inside an iron can
- CWrapped with insulation around it when passing current through it
- DSurrounded with fine copper sheet
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Similar Questions
If $\chi_1$,$\chi_2$,and $\chi_3$ are the magnetic susceptibilities of a paramagnetic material at temperatures $T_1 \ K$,$T_2 \ K$,and $T_3 \ K$ respectively,then which of the following relations is correct?
Among the following, for which substance does the magnetic susceptibility not depend on the temperature?
To protect an instrument from an external magnetic field,it is completely surrounded by:
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