- #1

Noki Lee

- 4

- 1

But, in the 2nd case,

if we integrate the charge density, some field exists between the two charge densities. Intuitively, it should be like the last figure.

What's wrong with this?

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- I
- Thread starter Noki Lee
- Start date

- #1

Noki Lee

- 4

- 1

But, in the 2nd case,

if we integrate the charge density, some field exists between the two charge densities. Intuitively, it should be like the last figure.

What's wrong with this?

- #2

phyzguy

Science Advisor

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- 2,085

- #3

Noki Lee

- 4

- 1

I mistook the intuition, did you mean this figure?

But why we can't apply the above 1D equation?

- #4

phyzguy

Science Advisor

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- #5

Noki Lee

- 4

- 1

I got it, thank you.canuse the above 1D equation, but when you do the integration, you always have a constant of integration that you have to determine from the boundary conditions. So your graph (1) needs to have a negative constant added to it so it looks like the graph (2) in post #3. Do you understand?

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