- #1

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I'm looking for a equation (or equations) needed to calculate the electric field between to plates with the same charge. For example, two plates with positive charge.

Any help is appreciated.

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- Thread starter sina_mech
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- #1

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I'm looking for a equation (or equations) needed to calculate the electric field between to plates with the same charge. For example, two plates with positive charge.

Any help is appreciated.

- #2

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Being able to draw the field of both plates? I don't think there are equations, just guidelines for understanding. All lines begin perpendicular and can not intersect.

- #3

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So, like you said, we don't have any field. now, imagine a positively charged particle passes through two positively charged plates. How can I write the energy balance for the motion of particle?

Thanks.

- #4

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- #5

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Thanks

- #6

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Well, you don't need the plates there. Just look at formulas for particles moving perpendicular to an electric field.

http://farside.ph.utexas.edu/teaching/336k/Newtonhtml/node30.html

Can you give me a hint as to what you're doing? I understand privacy but I think this could be much easier.

- #7

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Thanks Samon4.

This is the problem ( V is velocity, "a" is acceleration)

This is the problem ( V is velocity, "a" is acceleration)

- #8

Khashishi

Science Advisor

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If there's nothing else in the universe, there's no field between two plates with the same charge.

- #9

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Can you (1) figure out the field due to a single plate, and (2) use the principle of superposition when there are two plates?

I'm looking for a equation (or equations) needed to calculate the electric field between to plates with the same charge. For example, two plates with positive charge.

Any help is appreciated.

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