Question

On either side of a charge-free interface between two media

• A. The normal components of the electric field are equal
• B. The tangential component of the electric field are equal
• C. The normal components of the electric flux density are equal
• D. The tangential components of the electric flux density are equal

Answer 1

Answer: (B), (C)

The normal components of the electric flux density are equal

Ans : (b & c)

Boundary conditinos:

$E_{t_1}=E_{t_2}$
$D_{N_1}=D_{N_2}$