D 90 In the figure shown there are two semicircles of redii

Last updated: 6/4/2023

D 90 In the figure shown there are two semicircles of redii r and r in which a current I is flowing The magnetic induction at the centre O will be A 5 5 Hi 4 C H 11 12 4 4742 B D Hoi Moi 1 12 4 rr