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an infinite plane sheet of positive charge has surface charge density 8.85*10^-10C/m^2. a metallic sphere of mass 1 gm and charge 2C is attached to a thread and tied to a point P on the sheet. the angle made by the string with the plane sheet is

an infinite plane sheet of positive charge has surface charge density 8.85*10^-10C/m^2. a metallic sphere of mass 1 gm and charge 2C is attached to a thread and tied to a point P on the sheet. the angle made by the string with the plane sheet is


 

Grade:12

1 Answers

Chetan Mandayam Nayakar
312 Points
10 years ago

the electric field of an infinite plane sheet of charge is constant and is independent of the distance from the sphere and is perpendicular to the plane. the force of gravity is also independent of distance, constant and normal to the plane. Thus both the forces are independent of the angle. Therefore, it is impossible to solve the problem using the the information given.

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