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Homework Statement
Calculate the electric potential due to a tiny dipole whose dipole moment is 6.0×10^−30 C*m at a point 3.6×10^−9 m away for the following cases.
a) This point is along the axis of the dipole nearer the positive charge.
b) This point is 45 degrees above the axis but nearer the positive charge.
c) This point is 45 degrees above the axis but nearer the negative charge. Let V = 0 at r = infinity .
Homework Equations
For part a) I used p = q*d, where p is the dipole moment, q is the charge, and d is displacement. Then used (1/(4*pi*E))*(q/d), where E is the permittivity of free space constant, 8.85 x 10^-12
For part b) I got stuck on this part, I know I have to use the given 45 degrees, perhaps to find a new value for d?
Im not as familiar as I would like to be with the subject, any help or explanation welcome.
The Attempt at a Solution
a) V = 4.2 x 10^-3
b) V = ?
c) V = ?