The curve represents the distribution of...

The curve represents the distribution of potential along the staight line joining the two charges `Q_1 and Q_2` (separated by a distance r) then which of the following statements are correct?

1. `|Q_1|gt|Q_2|`
2. `Q_1` is positive in nature
3. A and B are equilibrium points
4. C is a point of unstabkle equilibrium

1 and 2

1, 2 and 3

1, 2 and 4

1, 2, 3 and 4

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