Equations 22-8 and 22-9 are approximations of the
Chapter , Problem 20(choose chapter or problem)
Equations 22-8 and 22-9 are approximations of the magnitude of the electric field of an electric dipole, at points along the dipole axis. Consider a point P on that axis at distance z ! 5.00d from the dipole center (d is the separation distance between the particles of the dipole). Let Eappr be the magnitude of the field at point P as approximated by Eqs. 22-8 and 22-9. Let Eact be the actual magnitude.What is the ratio Eappr/Eact?
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