A small horseshoe magnet with a uniform magnetic field

Last updated: 6/10/2023

A small horseshoe magnet with a uniform magnetic field strength 0 55 T between its poles is placed on a weight scale A straight conducting wire is clamped in the space between its poles The length of wire between the poles s 4 0 cm When a current of 2 0 A is passed through the wire the value of the weight on the scale changes by what value Select one alternative O 0 021 O 0 044 N O 18 N O 0 15 N O 4 4 N