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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Figure shows a point charge of 0.5 x 10^-6 C att the center of the spherical cavity of the radius 3 cm of a piece metal. The electric field at

Figure shows a point charge of 0.5 x 10^-6 C att the center of the spherical cavity of the radius 3 cm of a piece metal. The electric field at

Figure shows a point charge of 0.5 x 10^-6 C att the center of the spherical cavity of the radius 3 cm of a piece metal. The electric field at