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Oijl
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Homework Statement
The figure shows an electric dipole. What is the magnitude of the dipole's electric field at point P, located at distance r >> d?
Homework Equations
The Attempt at a Solution
I suppose I could define the angle with which I could write Ey = Esin[tex]\theta[/tex], but this problem is a webassign.com problem, so it's online and I can't define anything.
The magnitude of the electric field at p due to the dipole would be very small, and I first estimated it to be zero (since the problem asks for an estimation anyway).
Without defining and using a theta, how could I represent the magnitude of the electric field?