A metal rod of resistance R is fixed along a diameter of a

Last updated: 6/2/2023

A metal rod of resistance R is fixed along a diameter of a conducting ring of radius r There is a magnetic field of magnitude B perpendicular to the plane of the loop The ring spins with angular speed about its axis The centre of the ring is joined to its rim by an external wire W The wire W have no resistance The current in Wis 1 Zero 2 Br w 2 4 Br w 2R 2Br w