Question

Abar magnet of pole strength 20 A.m. is divided
into 4 equal parts by slicing it along lines parallel
to length and breadth, passing through centre
The pole strength of each piece is-------- A.m
1) 80
2)10 3) 20 4) 40​

Answer 1

Answer:

Pole strength is affected only when cut along the axial line .

m/2 when cut along the axial line and remains same when cut along the equatorial line