Three 1.0 nC charges are placed as shown in FIGURE P22.66. Each of these charges creates an electric field E at a point 3.0 cm in front of the middle charge.

a. What are the three fields E₁, E₂, and E₃ created by the three charges? Write your answer for each as a vector in component form.b. Do you think that electric fields obey a principle of superposition?That is, is there a ??net field?? at this point given by E_net = E₁ + E₂ + E₃? Use what you learned in this chapter and previously in our study of forces to argue why this is or is not true.

c. If it is true, what is E_net?

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91 = 1.0 nC (+ |1.0 cm 3.0 cm 92 = 1.0 nC (+) | 1.0 cm 93 = 1.0 nC (+) FIGURE P22.66