A charge Q equal to +25µC is placed at the point (x,y)=(-1.0m, 2.0m) as shown. A charge Q, equal to -32µC is placed at the origin. (a) Determine the electric potential at the point, A with coordinates (x, y) = (2.0m, 3.0m), assuming the potential is zero at infinity. (b) How much work is required to bring in a charge of –12µC from infinitely far away and place it at point A? Explain why the sign of your value for the work is correct. Include units with each answer.

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Chapter1: Units, Trigonometry. And Vectors
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A charge Q equal to +25µC is placed at the point
(x,y)=(-1.0m, 2.0m) as shown. A charge Q, equal to -32µC is
placed at the origin.
(a) Determine the electric potential at the point, A with coordinates
(x, y) = (2.0m, 3.0m), assuming the potential is zero at infinity.
(b) How much work is required to bring in a charge of –12µC
from infinitely far away and place it at point A? Explain why
the sign of your value for the work is correct.
Include units with each answer.
Transcribed Image Text:A charge Q equal to +25µC is placed at the point (x,y)=(-1.0m, 2.0m) as shown. A charge Q, equal to -32µC is placed at the origin. (a) Determine the electric potential at the point, A with coordinates (x, y) = (2.0m, 3.0m), assuming the potential is zero at infinity. (b) How much work is required to bring in a charge of –12µC from infinitely far away and place it at point A? Explain why the sign of your value for the work is correct. Include units with each answer.
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