Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 Physics Moving Charges and Magnetism Magnetic Field
Magnetic field lines due to a bar magnet do not cross each other because:
1
At one point the magnetic field can't have two directions
2
At any point the magnetic field cant have unit magnitude
3
At any point magnetic field can't have zero magnitude
4
None of these