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Question: Consider a rhombus with equal sides and point charges Q, Q, -Q, -Q in the...

Question: Consider a rhombus with equal sides and point charges Q, Q, -Q, -Q in the four corner sketch the electric field lines (this structure is called quadrupole)

Question: How many electrons should we transfer from Earth to Sun in order to match the gravity force between the two? Suppose we take those electrons from a cube shape piece of

Al, one electron per atom. What would be the size of the cube?

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