Monopole, Dipole and quatrupole During a particularly raucus circus event, a sad

Question

Monopole, Dipole and quatrupole

During a particularly raucus circus event, a sad clown trips and falls into a pile of charge. When he gets up. his eyes bulge out into solid spheres of radius a, each uniformly filled with positive charge q. His clown frown, a semi-circle of radius b, picks up a line charge Lambda = -2q/pib. An engineer in the audience took a snapshot and labeled the geometry as follows: What are the monopole Q, dipole p and quadrupole Q_2 moments of the clown's face? You may find the results of question 2, along with superposition, helpful.

Explanation / Answer

monople moments is a sum of the charges. dipole are equal in magnitude and exactly opposite each other. the overall dipole moments is zero. beacuse clowns eyes are equal in magnitude and exactly opposite each other. quadrupole is formed by more number of monopoles. quadrupole contains positive and negitively charges.

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