3. A charged ring with charge density = 24C/m and radius R = 12 m is...

 

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3. A charged ring with charge density = 24C/m and radius R = 12 m is placed parallel to an infinite charged plane of charge density = 27 nC/m. The distance between the center of the ring and the plane is d = 17m. Figure 3 d a. What is the magnitude of the electric field at the point P? b. What would be the potential at p assuming the potential at infinity is zero? [2] [2] c. Suppose an electron is placed at point P and let it go. What would be the force acting on the electron? d. Hence, calculate the acceleration of the electron at the center of the ring. [4] [2] 3. A charged ring with charge density = 24C/m and radius R = 12 m is placed parallel to an infinite charged plane of charge density = 27 nC/m. The distance between the center of the ring and the plane is d = 17m. Figure 3 d a. What is the magnitude of the electric field at the point P? b. What would be the potential at p assuming the potential at infinity is zero? [2] [2] c. Suppose an electron is placed at point P and let it go. What would be the force acting on the electron? d. Hence, calculate the acceleration of the electron at the center of the ring. [4] [2]