A long 1 metre thick dielectric (ϵ = 3 ϵ0) slab occupying the region 0 < x < 5 is placed perpendicularly in a uniform electric field \({\bar E_0} = 6{\bar a_X}\). The polarization \({\bar P_i} \) inside the dielectric is

A long 1 metre thick dielectric (ϵ = 3 ϵ0) slab occupying the region

1.	A long 1 metre thick dielectric (ϵ = 3 ϵ0) slab occupying the region 0 < x < 5 is placed perpendicularly in a uniform electric field \({\bar E_0} = 6{\bar a_X}\). The polarization \({\bar P_i} \) inside the dielectric is
A.	4ϵ0\({\bar a_X}\)
B.	8ϵ0\({\bar a_X}\)
C.	36ϵ0\({\bar a_X}\)
D.	Zero
Answer» B. 8ϵ0\({\bar a_X}\)