1.The magnetic flux linked to a circular coil of radius RRR is ϕ=2t3+4t2+2t+5 Wb\phi = 2t^3 + 4t^2 + 2t + 5\,\text{Wb}ϕ=2t3+4t2+2t+5Wb. The magnitude of induced emf in the coil at t=5 st = 5\,\text{s}t=5s isa.108 V108\,\text{V}108Vb.197 V197\,\text{V}197Vc.150 V150\,\text{V}150Vd.192 V192\,\text{V}192VLogin to continueOnly logged in users canattempt or see the solution.