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The electric potential at a position located a distance of 21.9 mm from a positive point...

The electric potential at a position located a distance of 21.9 mm from a positive point charge of 8.40×10^-9C and 10.3 mm from a second point charge is 1.26 kV. Calculate the value of the second charge. The potential at a position is the sum of the individual contributions to the potential by each of the 2 charges. The sign is important. Calculate the potential due to the first charge. The difference is due to the second charge.

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Answer #1

we know the electric potential due to point charges is

Putting given values we can find q2

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