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raju manga Grade: 12
        

3 equal 1.2*10^(-6) point charges placed at the corners of an equallatiral triangle with sides 0.5 m long.What is the elecntial tric potential energy of the system ?

7 years ago

Answers : (1)

vikas askiitian expert
510 Points
										

let the vertices of triangle are a,b,c ..


side of the triangle is d...


electric potential energy of system = Kqaqb/d +kqaqc/d +kqbqc/d


 qa = qb =qc =q


so PE = 3kq2 /d


        =3*9*109 *(1.2*10-6)2 /0.5


        =7.76*10-2 joule

7 years ago
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