Consider two finite-length uniformly-charged thin rods of equal length arranged nd-to-end as shown in the figure. The two rods have the same magnitude charge density |2| = 1.05 x 10°C / m yet with opposite sign as indicated in the figure.

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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Consider two finite-length uniformly-charged thin rods of equal length
arfanged End-to-end as shown in the figure. The two rods have the same magnitude
charge density
|2| = 1.05 × 10°C /m
yet with opposite sign as indicated in the
figure.
P
+ + + + +
a) What is the direction of the electric field at point P in the figure? Choose
the best option from those listed here.
A) Directly to the right.
B) The electric field is zero in magnitude, thus the direction is undefined.
C) Directly to the left.
D) None of the options listed here is correct.
b) Find the electric potential at point P assuming the point is a distance of 2L/3
from the center of the wire, that L = 0.314 m, and that the zero of potential is
at infinity.
Transcribed Image Text:Consider two finite-length uniformly-charged thin rods of equal length arfanged End-to-end as shown in the figure. The two rods have the same magnitude charge density |2| = 1.05 × 10°C /m yet with opposite sign as indicated in the figure. P + + + + + a) What is the direction of the electric field at point P in the figure? Choose the best option from those listed here. A) Directly to the right. B) The electric field is zero in magnitude, thus the direction is undefined. C) Directly to the left. D) None of the options listed here is correct. b) Find the electric potential at point P assuming the point is a distance of 2L/3 from the center of the wire, that L = 0.314 m, and that the zero of potential is at infinity.
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