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Physics (AS & A Level) · May / June 2020 · Paper 11 · Question 31

9702Electric fields and field lines

A small charge q is placed in the electric field of a large charge Q. Both charges experience a force F. What is the electric field strength of the charge Q at the position of the charge q?

  1. AF/(Qq)
  2. BF/Q
  3. CFqQ
  4. DF/q

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Correct answer: D. F/q

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