Bar magnets placed on table may not point along N-S direction . Why? Give reasons.

lt is because the magnetic field of the magnet is equal in magnitude to the Earth's horizontal magnetic field but it is in opposite direction

Explanation:

Thus the net magnetic field at these two points is zero

where is the diagram?

if you insert the diagram ill be able to you

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint