Question:
Two wires are bent shown as joint circle with radius r in xy
Last updated: 6/12/2023
Two wires are bent shown as joint circle with radius r in xy plane The upper half has resistance of 2R 22 and the lower half of RQ A current I is passed into circle as shown The magnetic field at centre is 2RQ Hol 1 HOT K r 3 zero RQ y L 2 Ho k 2r HoI Or k X