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Question 1.2.32: On either side of a charge-free interface between two media ...

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

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Conditions at Boundary surfaces.

(a) E t_{1}=E t_{2}                         (b) H t_{1}=H t_{2}

(c)B n_{1}=B n_{2}                        (d) D n_{1}=D n_{2}

Hence, the correct option is (b) and (c).

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