Consider an interface between two di-electric materials, one with ϵr = 2 while the others have ϵr = 5. If the tangential component of the electric field on one side of the interface has a magnitude of 10 Vm-1. What is the magnitude of the tangential component of the electric field on the other side is?

Consider an interface between two di-electric materials, one with ϵr�

1.	Consider an interface between two di-electric materials, one with ϵr = 2 while the others have ϵr = 5. If the tangential component of the electric field on one side of the interface has a magnitude of 10 Vm-1. What is the magnitude of the tangential component of the electric field on the other side is?
A.	10 Vm-1
B.	20 Vm-1
C.	2 Vm-1
D.	5 Vm-1
Answer» B. 20 Vm-1

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