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Q.

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

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answer is [OBJECT OBJECT], [OBJECT OBJECT].

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Detailed Solution

Let ‘P’ be the point (2, 0) and CP = xVA=VB=0 VA=−kQ(d−R)+kQ3(R−x)=0VB=−kQ(d+R)+kQ3(R+x)=0 ⇒d=3R,x=d−2=R3 ⇒R3,d=3Let ‘P’ be the point (2, 0) and CP = xVA=VB=0 VA=−kQ(d−R)+kQ3(R−x)=0VB=−kQ(d+R)+kQ3(R+x)=0 ⇒d=3R,x=d−2=R3 ⇒R3,d=3
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