List of top Physics Questions on Moving charges and magnetism asked in BITSAT

The susceptibility of a magnetism at $300\, K$ is $1 .2 � 10^{-5}$. The temperature at which the susceptibility increases to $ 1 .8 � 10^{-5}$ is

The magnetised wire of moment $M$ and length $l$ is bent in the form of semicircle of radius $r$. Then its magnetic moment is

A proton moving vertically downward enters a magnetic field pointing towards north. In which direction proton will deflect?