Answer: Point charges q1 = -4.5 nC and q2 = +4.5 nC are
Chapter 21, Problem 21.53(choose chapter or problem)
Point charges q1 = -4.5 nC and q2 = +4.5 nC are separated by 3.1 mm, forming an electric dipole. (a) Find the electric dipole moment (magnitude and direction). (b) The charges are in a uniform electric field whose direction makes an angle of 36.9 with the line connecting the charges. What is the magnitude of this field if the torque exerted on the dipole has magnitude 7.2 * 10-9 N # m?
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