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by leephillips
1742 days ago
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Fields are abstractions that ease the calculation of the forces on charges caused by the positions and motions of other charges. The charges interact, but the fields don’t; there is nothing “there” to interact. (This is classical EM.) If you are in a room with two charges, the electrostatic field at any point is the addition of the fields from each charge. There is no extra interaction term. |
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