Physics
In the process of magnetisation of a bar

Only some parts of the outer layers of the bar get magnetised
Only the ends of the bar get magnetised
The entire bulk of the bar gets magnetised
Only the surface of the bar gets magnetised

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Physics
Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open

at the top of Mt. Everest
at a place in a valley below sea level
at sea level
in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level

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