A ring of circular cross section is made of material of

Last updated: 6/14/2023

A ring of circular cross section is made of material of resistivity p The inner an outer radii of ring are a and 2a respectively and its thickness is h The ring placed in a time varying magnetic field B kt where k is a constant which parallel to the axis of the ring as shown in the figure The induced current in th ring is B kt B C D a 2a 3kha 4p 2 3kha 2p 5kha 4p 5kha 2p