4.4.4 Forces on Dielectrics

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Calculating the forces on a linear dielectric using traditional electric fields can be difficult if not impossible. Why not look at the change in energy instead?

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Boy, did the book ever just skip a ton of steps computing the capacitance. I guess they wanted to leave it as an exercise to the reader though. Took me a good few minutes to convince myself that was indeed C.

CrushOfSiel
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Should it not be that we are working with two different absolute permitivities, and rewrite Capacitance as....
C =((ε1 × A1) + (ε2 × A2) ) / D
?

kreynolds
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6:00 I guess it does depend on s, because the C in the F expression depends on s. Also, great video!

humaeralaskar
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Hlo sir... can you solve the unsolved problem 18 of this chapter given in the book...

kunikasharma