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## UnkleRhaukus Group Title electrostatic potential energy of a system of three charges one year ago one year ago

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1. UnkleRhaukus Group Title

$U=K\left(\frac{q_1q_2}{r_{12}}+\frac{q_1q_3}{r_{13}}+\frac{q_2q_3}{r_{23}}\right)$

2. UnkleRhaukus Group Title

right?

3. RajshikharGupta Group Title

yes it is so what?...!!

4. UnkleRhaukus Group Title

so i must be pressing the wrong number on the calculator then

5. RajshikharGupta Group Title

no it is not it is valid only for point charges so better check it !

6. UnkleRhaukus Group Title

the charges are points in my question

7. RajshikharGupta Group Title

then it is all right !!..

8. UnkleRhaukus Group Title

now i see what i was forgetting