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The flux of magnetic field through a closed conducting loop of resistance `0.4 Omega` changes with time according to the equation `Phi =0.20 t^(2)+0.40t+0.60` where `t` is time in seconds.Find (i)the induced `emf` at `t=2s`.(ii)the average induced `emf` in `t=0` to `t=5 s`.(iii)charge passed through the loop in `t=0` to `t=5s` (iv)average current.In time interval `t=0` to `t=5 s` (v) heat produced in `t=0` to `t=5s`

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(i) 1.2 volt (i) 1.4 volt (iii) 17.5 C (iv) 3.5A (v)86/3 joules
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