For the following charge distribution, if Q1= -6*10-8C, Q2 = 5*10-8C and Q3 =4*10-8C, then, the electric potential in volt at A is
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For the following charge distribution, if Q1= -6*10-8C, Q2 = 5*10-8C and Q3 =4*10-8C, then, the electric potential in volt at A is
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