Four charges are arranged at corners of a square ABCD of side d in which Point has +q charge ,B has -q charge, C has +q charge, D has -q charge and charge q' is present at centre. a) Find the work required to put together this arrangement. b) A charge q' is brought to the centre of the square the four charges being fixed at its corners. How much extra work is needed to do this? (page no.63 NCERT Physics part 1)

Asked by Prashaant Malaviya | 23rd Feb, 2013, 02:15: PM

Expert Answer:

second part can be soved similarly.

Answered by  | 27th Feb, 2013, 02:53: PM

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