JEE Main 2021 Physics question

PhysicsElectromagnetic InductionJEE Main 2021

A circular conducting coil of radius 1 m is being heated by the change of magnetic field B passing perpendicular to the plane in which the coil is laid. The resistance of the coil is 2 . The magnetic field is slowly switched off such that its magnitude changes in time as . The energy dissipated by the coil before the magnetic field is switched off completely ismJ.

Answer: 80

Solution

Question ID VK-023553