A positive charge q is placed on the y -axis at the location y = a. Another posi

Question

A positive charge q is placed on the y -axis at the location y = a. Another positive charge is placed on the y -axis at the location y = -a. Which of the following statements about the electric field at point P is correct? Because of symmetry, there is no x-component to the electric field Because of symmetry, there is no y component to the electric field Even though there is symmetry, there are still both x- and y components to the electric field There is no symmetry to this problem Charge A, a charge of +2.00 mu C, is placed at the origin. Charge B, a charge of -3.00/mu C, is placed on the x-axis at x = 1.00 m. Charge C, a charge of -4.00 mu C, is placed on the x-axis at x = -1.00 m. What is the total force on Charge A? (That is, how many Newtons of force, and does it point in the +x direction or in the -x direction?) For question 2, what is the electric field at the location of Charge A?

Explanation / Answer

question 1:

b) because of the symmetry , there is no y component to the electric field

question 2:

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