a vertical ring of radius r and radius R falls vertically

it is in contact with 2 vertical rails which are joined at the top

the rails are without friction and resistance

there is a horizontal uniform magnetic field of magniitude B to the plane of th e rings and rail

when the speed of ring is v the current in section PQ is

Ans 8Brv/R

Please give detailed solutioon rates assured

Hrishant Goswami , 11 Years ago

Grade 10