A small object with electric dipole moment p is placed in a nonuniform electric field E = E(x)î. That is, the field is in the x direction, and its magnitude depends only on the coordinate x. Let 0 represent the angle between the dipole moment and the x direction. Prove that the net force on the dipole is dE cos 0 dx, F = p acting in the direction of increasing field.
A small object with electric dipole moment p is placed in a nonuniform electric field E = E(x)î. That is, the field is in the x direction, and its magnitude depends only on the coordinate x. Let 0 represent the angle between the dipole moment and the x direction. Prove that the net force on the dipole is dE cos 0 dx, F = p acting in the direction of increasing field.
Chapter5: Electric Charges And Fields
Section: Chapter Questions
Problem 83P: The charge per unit length on the thin rod shown below is . What is the electric field at the point...
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