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A point charge 5nC is located at origin .what is the potential at (2,0,0)?
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A point charge 5nC is located at origin .what is the potential at (2,0...
Potential at (2,0,0) due to Point Charge at Origin


Given


  • Point charge Q = 5nC

  • Location of point charge is at origin (0,0,0)

  • Point where potential is to be calculated is (2,0,0)



Formula

The formula for potential due to a point charge is:

V = kQ/r


  • V = potential

  • k = Coulomb's constant = 9 x 10^9 Nm^2/C^2

  • Q = charge

  • r = distance between point charge and point where potential is to be calculated



Calculation


  • Distance between point charge and point where potential is to be calculated = 2m (since x-coordinate of point is 2 and y and z are 0)

  • Substituting the values in formula, V = (9 x 10^9 Nm^2/C^2) x (5nC) / 2m

  • V = 22.5 V



Final Answer

The potential at (2,0,0) due to point charge of 5nC at origin is 22.5 V.
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A point charge 5nC is located at origin .what is the potential at (2,0,0)?
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