nursing UP CNET BSc Nursing 2025 Mock Test Series Physics Moving Charges and Magnetism Magnetic Field on the Axis of a Circular Current Loop
What will be the effect on the magnetic field at the centre of a circular current carrying loop if the radius is doubled? (Keeping current same)
1
becomes 4 times
2
becomes 2 times
3
Becomes (1/4)th
4
Becomes half