In the loops shown in Fig all curved sections are either

Last updated: 6/24/2023

In the loops shown in Fig all curved sections are either semicircles or quarter circles All the loops carry same current The magnetic fields at the centres have magnitudes B B B and B Then D Q B b 1 B B B B 2 B B B B3 3 B4 B B B3 4 B B B3 B