Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Physics Magnetism and Maxwell's Equations Magnets
Which of the following precautions are to be taken while storing bar magnets?
1
Bar magnets should be stored in pairs such that like poles are on the same side
2
A pair of bar magnets should be separated by a wooden piece
3
The ends of bar magnets should be connected by soft iron pieces
4
More than one of the above
5
None of the above