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First question of the discussion 1a considered two fixed charged beads separated

ID: 2271650 • Letter: F

Question

First question of the discussion 1a considered two fixed  charged beads separated by distance d, and examined the equilibrium  position of the small charged bead that is free to move in  between them. Say the equilibrium position of the small free charged  bead is given by x.  If the charge on this third free small bead is  doubled, what happens to the equilibrium position of the central  bead?

The equilibrium position remains at x. The equilibrium position shifts right to 5x/2. The equilibrium position shifts left to x/4. The equilibrium position shifts right to 5x/4. The equilibrium position shifts left to x/2.

Explanation / Answer

The equilibrium position remains at x.