At time t=0 magnetic Field of 1000 Gauss...

At time t=0 magnetic Field of 1000 Gausses is passing perpendicularly through the area defined by the closed loop shown in the Figure. If the magnetic Field reduces linearly to 500 Gausses, in the next 5s, then induces EMF in the loop is:

Option1 `56muV`

Option2 `28muV`

Option3 `48muV`

Option4 `36muV`

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