state gov UP Police Assistant Operator (Radio Cadre) Mock Test Physics Moving Charges and Magnetism Magnetic Field on the Axis of a Circular Current Loop
What is the magnetic field at a distance of 2m from an infinite current carrying wire having current 4A.
1
2 × 10-7 Tesla
2
4 × 10-7 Tesla
3
6 × 10-7 Tesla
4
1 × 10-7 Tesla