Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Physics Magnetism
Which of the following describes a natural magnet?
1
A bar magnet
2
Horse - shoe magnet
3
Magnetite of Lodestone
4
More than one of the above
5
None of the above