Answer to Question #153416 in Electric Circuits for Harri

Question

A small charged sphere of mass 2.1 × 10^-4kg, suspended from a thread of insulating

material, was placed between two vertical parallel plates 60 mm apart. When a potential

difference of 4200 V was applied to the plates, the sphere moved until the thread made an angle

of 6^o to the vertical.

i) Calculate the charge on the sphere and determine the number of charged particles on the sphere.

Answer 1

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