Four charges are arranged  at the corners  of a square ABCD pf side d, as shown in Fig. Find the
Channel: Doubtnut
Date: 2020-08-23

Four charges are arranged  at the corners  of a square ABCD pf side d, as shown in Fig. Find the work required  to put together  this arrangement  (b) A charge  `q_(0)` brought  to the center  E of the square, the four  charges being  held fixed  at the corners . How much extra  work in needed to do this ?