Solving a problem in physics section 76 point 27 electr

Solving a problem in physics section 76 point 27 electr

27. Two charges Q1 = –1 nC and Q2 = 30 nC are at a distance L = 12 cm from each other. Calculate the field strength at a point lying in the middle between the charges. Determine also the field strength at this point if the first charge is positive.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)