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5. The electric field at the origin is along the positivex-axis. A small circle is drawn with the centre at theorigin cutting the axes at points A, B, C and D havingcoordinates (a,0), (0, a),(a,0), (0, -a) respectively.Out of the points on the periphery of the circle, thepotential is minimum at(a) A(b) B(c) C(d) D. |
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