Teaching CG TET Paper 1 & 2 Mock Test 2024 Physics Magnetism and Maxwell's Equations The Earth’s Magnetism
If the key in the arrangement (figure) is taken out (the circuit is made open) and magnetic field lines are drawn over the horizontal plane ABCD, the lines are
1
concentric circles
2
elliptical in shape
3
straight lines parallel to each other
4
concentric circles near the point O but of elliptical shapes as we go away from it