41 A vertical ring of radius r is made of a uniform wire of

Last updated: 6/25/2023

41 A vertical ring of radius r is made of a uniform wire of resistance R It slips vertically between two frictionless and resistanceless vertical rails There is a uniform magnetic field B perpendicular to plane of ring and rails as shown in figure When the speed of ring is v then the current in section PQ at that NBvr 2R instant is R 2pr da 2 fa 2 1218 201 Value of N is XXX XXXX XXXX X X X X 2P 9s a va R TT d ell