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10 muC charge Is placed on each vertex of equilateral triangle of 10 cm side. Electric potential energy of system is ...... |
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Answer» 100 J  Electric POTENTIAL energy of system `U=(kq_(1)q_(2))/(a) +(kq_(2)q_(3))/(a) +(kq_(1)q_(3))/(a)` `= (k)/(q)[q_(1)q_(2)+q_(2)q(3)+q_(1)q_(3)]` `=(9XX10^(9))/(10xx10^(-2))[100xx10^(-12)+100xx10^(-12)+100xx1-0^(-12)]` `U = 9xx10^(10)[3xx10^(-10)]` `:. U = 27 J` |
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