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Two point charges of charge 25.0 µC and −25.0 µC respectively are separated by a distance...

Two point charges of charge 25.0 µC and −25.0 µC respectively are separated by a distance of 10.0 nm.

a) What is the dipole moment magnitude and direction?

b) How much energy does it require to rotate this dipole 180◦ in a constant electric field of 1200 V/m assuming the initial orientation is such that the dipole moment points along the electric field lines?

c) What is the maximum torque?

d) Draw the electric potential line pattern.

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