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12th grade.physics

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three equal and similar charges each of 'q' units are placed at the corners of the square of side 'a' .find the electric field strength at the fourth corner?

  • 12th grade.physics - ,

    E=kq/r^2 and in the direction of r.

    Add these as vectors. If you are careful, you can use symmetry to simplify it.

    Here is a similar question on the symmetry issue.

  • 12th grade.physics - ,


  • 12th grade.physics - ,

    Can you please Explain and Show the answer ?

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