NEET PhysicsClass 12Potential due to a system of chargesEasySingle correct

Point charges of +4 nC and −6 nC are fixed 20 cm apart in air. What is the electric potential at the midpoint of the line joining them? (k = 9 × 10⁹ N m² C⁻²)

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Point charges of +4 nC and −6 nC are fixed 20 cm apart in air. What is the electric potential at the midpoint of the line joining them? (k = 9 × 10⁹ N m² C⁻²)

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