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Dipole moment is the electrostatic moment generated by two opposite charges taken together, far away from the charge's locations

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Dipole Moment: what does it really represent?

We can split the charge density into the positive and negative regions: $$\rho = \rho_+ - \rho_-,$$ where $\rho_+$ and $\rho_-$ are non-negative functions. By doing this, the dipole moment integral sp …
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Is a capacitor a dipole? A few more questions about understanding dipoles

Capacitors are technically dipoles, but the two things are usually studied in opposite approximations. With a capacitor, you want to look at it up close, and calculate the electric field between the t …
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