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Electric fields (A-level only)

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Question 12

Two electrons are separated by distance rrr. The electrostatic force between the two electrons is X X\,X times the gravitational force between them.

What is the best estimate for XXX?

103410^{34}1034

103810^{38}1038

104210^{42}1042

104610^{46}1046

Electric fields (A-level only) Questions

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