Why to take an electric potential to be zero at infinity

Reference no: EM1369137

Q. Two point charges q_1 = 2.10 nC and q_2 = -6.10 nC are 0.100 {rm{ m}} apart. Point A is midway between them; point B is 0.080 {rm{ m}} from q_1 and 0.060 {rm m} from q_2 Take an electric potential to be zero at infinity.

Find out the potential at point A.

Reference no: EM1369137

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