The irregularly shaped area of charge in FIGURE Q23.7 has
Chapter 23, Problem 23.29(choose chapter or problem)
The irregularly shaped area of charge in FIGURE Q23.7 has surface charge density hi . Each dimension (x and y) of the area is reduced by a factor of 3.163. a. What is the ratio hf /hi , where hf is the final surface charge density? b. An electron is very far from the area. What is the ratio Ff /Fi of the electric force on the electron after the area is reduced to the force before the area was reduced?
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