Two point charges, q1 = -3.7 µC and q2 = 3.7 µC, are placed on the x axis at x1 = 4.7 m and x2 = -4.7 m, respectively (see figure below). y P R (x2, 0) (x¡, 0) (a) What are the electric potentials at the points P (0, 4.7 m) and R (9.4 m, 0)? Vp = Vr= (b) Find the work done in moving a 1.0-µC charge from P to Ralong a straight line joining the two points. (c) Is there any path along which the work done in moving the charge from P to Ris less than the value from part (b)? Explain. O Yes, because the work done depends only on the length of the path chosen. O Yes, because the change in potential will vary depending on the path chosen. O No, because the work done doesn't depend on the change in potential. O No, because the work done depends only on the change in potential.
Two point charges, q1 = -3.7 µC and q2 = 3.7 µC, are placed on the x axis at x1 = 4.7 m and x2 = -4.7 m, respectively (see figure below). y P R (x2, 0) (x¡, 0) (a) What are the electric potentials at the points P (0, 4.7 m) and R (9.4 m, 0)? Vp = Vr= (b) Find the work done in moving a 1.0-µC charge from P to Ralong a straight line joining the two points. (c) Is there any path along which the work done in moving the charge from P to Ris less than the value from part (b)? Explain. O Yes, because the work done depends only on the length of the path chosen. O Yes, because the change in potential will vary depending on the path chosen. O No, because the work done doesn't depend on the change in potential. O No, because the work done depends only on the change in potential.
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Transcribed Image Text:Two point charges, q1 = -3.7 µC and 92 = 3.7 µC, are placed on the x axis at x1 = 4.7 m and x2 = -4.7 m,
respectively (see figure below).
R
(x2, 0)
(х, 0)
(a) What are the electric potentials at the points P (0, 4.7 m) and R (9.4 m, 0)?
Vp=
V
VR =
V
(b) Find the work done in moving a 1.0-µC charge from P to Ralong a straight line joining the two points.
(c) Is there any path along which the work done in moving the charge from P to Ris less than the value
from part (b)? Explain.
O Yes, because the work done depends only on the length of the path chosen.
O Yes, because the change in potential will vary depending on the path chosen.
No, because the work done doesn't depend on the change in potential.
O No, because the work done depends only on the change in potential.
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