'Di 2 1 pole' presentation slideshows

3. Physical Interpretation of Generating Function

3. Physical Interpretation of Generating Function. Leading term : (point charge). for r > a. ?. ?. for r < a. Expansion of 1 / | r ? r? |. Let :. ?. either r or r ? on z -axis. Electric Multipoles. Electric dipole :. point dipole. Leading term :.

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