A spherically symmetric system shown in the figure below consists of a conducting spherical core and a conducting spherical

Question

A spherically symmetric system shown in the figure below consists of a conducting spherical core and a conducting spherical shell These conductors carry some unknown charges which you are asked to find based on the two measurements of the resulting radially directed electric field The field at point A distance a 7 4 cm away from the center equals to E 170 KN C The field at point B distance b 27 cm away from the center equals to E 61 kN C Positive values of radially directed fields refer to the outward direction negative values to the inward direction C Find the total charge on the surface of the spherical core including its polarity Qu What is the total charge on the inner surface of the spherical shell Qever C What is the total charge on the outer surface of the spherical shell K C

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