CBSE Class 12-science Answered
Two charges
Asked by gouthamjayarajan | 16 Jul, 2010, 08:29: PM
Expert Answer
Total Potential Energy of the System before the separation 
(a) Now after first seperation the Total Potential Energy of the System is given by,
So the work done in bringning the charges closer by 0.2m is given by the change in the Total Potential energy in of the system,
Work Done (W) is given by,
(b) Now again the work done will be given by the change in Total Potential Energy of the system,
Work done (W1) is given by,
Answered by | 20 Jul, 2010, 04:35: PM
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