Electric fields

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Question 6
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A student sets up an experiment with two charged metal spheres, P P\,P and QQQ. Sphere P P\,P is fixed on an insulating stand, while sphere Q Q\,Q is suspended by an insulating thread so it is free to move. Both spheres are positively charged.

An illustration of two charged metal spheres. Sphere P is fixed atop an insulating rod on a bench. Sphere Q is suspended from a support by a vertical insulating thread, located a short distance to the right of sphere P. Both spheres are marked with '+' signs to show they are positively charged. The thread for sphere Q is deflected away from sphere P.

Explain, in terms of electric fields, why a force is exerted on sphere QQQ.

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Electric fields Questions

  1. GCSE
  2. /Physics
  3. /Electric fields