I How does the electrical field become bent instead of following a straight line?

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Bent Electrical Field How?
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Why is electrical field bent like that rather than following a straight line across to the relevant point over there?
 

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What are the boundary conditions for the electric field at the interface between a conductor and free space?
 
DrClaude said:
What are the boundary conditions for the electric field at the interface between a conductor and free space?
I don't understand.
 
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