1.

Consider the diagram, A parallel plate capacitor has the plate width t and length L while the separation between the plates is d. The capacitor is connected to a battery of voltage rating V. A dielectric which carefully occupy, the space between the plates of the capacitor is slowly inserted between the plates. when length x of the dielectric slab is introduced into the capacitor, then energy stored in the system is

Answer»

`(epsi_(0) t V^(2))/(2d) L`
`(epsi_(0) t V^(2))/(2d) L[x+1]`
`(epsi_(0)TV^(2))/(2d) [L+x(K-1)]`
`(epsi_(0)^(2) t^(2) V^(2))/(2d^(2)) [L^(2)+x+1]`

Answer :C


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