In the shown figure shown a. Find `q_1` and `q_6` `b. total electrostatic potential energy .
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a. `q_1=0` `q_2=4q` `q_3=-q_2=-4q` `q_4=2q-q_3=6q` `q_5=-q_4=-6q` `q_6=q-q_5=7q` b. `U_(Total)=U_1+U_2+U_3` `Here U_1=1/2((4q)^2)/C_1` `where C_1=(4piepsilon_0)/(1/R-1/(2R))` `U_2=1/2((6q)^2)/C_2` where `C_2=(4piepsilon_0)/(1/(2R)-1/(3R))` and `U_3=1/2 ((7q)^2)/C_3` where, `C_3=(4piepsilon_0)/(1/(3R)-1/oo)=4piepsilon_0(3R)`
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