Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Physics Magnetism
The magnet used to lift and transport heavy loads like big metals, steel girders and scrap iron objects for loading and unloading purposes is known as____.
1
Electromagnet
2
Diamagnet
3
Permanent magnet
4
More than one of the above
5
None of the above