The magnetic field due to a small magnetic dipole of magnetic moment M at distance r from the centre on the equitorial line is given by (in M.K.S system)

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

μ04π x Mr2

μ04π x Mr3

μ04π x 2Mr2

μ04π x 2Mr3

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Bequatorial=μ04π x Mr3

Watch 3-min video & get full concept clarity