An infinite number of charges each equal to $0.2\,\mu C$ are arranged in a line at distances $1\,m, 2\,m, 4\,m, 8\,m......$ from a fixed point. The potential at fixed point is ......$kV$
  • A$1.80$
  • B$2$
  • C$3.60$
  • D$2.25$
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