Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 Physics Magnetism and Maxwell's Equations Magnets
A bar magnet is cut equally into three parts length wise and width wise to get nine equal pieces. How will the pole strength of the new pieces compare with the pole strength of the original magnet ?
1
Each new piece will have the same pole strength as the original.
2
The pole strength of each new piece will be one-ninth of the original.
3
The pole strength of new pieces will depend on the region from where they were cut.
4
The pole strength of each new piece will be one-third of the original.