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Two point charges -Q and +Q/sqrt(3) are ...

Two point charges `-Q` and `+Q/sqrt(3)` are placed in the xy plane at the origin (0,0) and a point (2,0) resp as shown in figure. This results in an equipotential circle of radius R and potential V=0 in the xy plane with its center at (b,0). All lengths are measured in meters. The value of R is ....m

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JEE ADVANCED PREVIOUS YEAR-JEE ADVANCED 2021-QUESTION
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