A Hall probe is placed near to one end of a current-carrying solenoid, as shown in the figure below.
The probe is rotated about the axis XY and is then held in a position so that the Hall voltage is maximum. Explain why
a Hall probe is made from a thin slice of material,
in order for consistent measurements of magnetic flux density to be made, the current in the probe must be constant.
is inversely proportional to the thickness 
of the slice. Therefore, a thinner slice would produce a larger Hall voltage.
in the slice.
