Exam 23: Electric Fields

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If Q = 80 nC,a = 3.0 m,and b = 4.0 m in the figure,what is the magnitude of the electric field at point P? If Q = 80 nC,a = 3.0 m,and b = 4.0 m in the figure,what is the magnitude of the electric field at point P?

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Charge Q is uniformly distributed over a line segment of length 2L,as shown below.When the x-coordinate of point P is x,the magnitude of the y-component of the electric field at point P is Charge Q is uniformly distributed over a line segment of length 2L,as shown below.When the x-coordinate of point P is x,the magnitude of the y-component of the electric field at point P is

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In the figure,if Q = 30 μC,q = 5.0 μC,and d = 30 cm,what is the magnitude of the electrostatic force on q? In the figure,if Q = 30 μC,q = 5.0 μC,and d = 30 cm,what is the magnitude of the electrostatic force on q?

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