Question

Three point charges, q1 = -4.19nC, q2 = 5.31nC and q3 = 2.70nC are aligned along the x axis as shown in the figure below. Assume that L1 = 0.545m and L2 = 0.755m.

 Three point charges, q1 = -4.19nC, q2 = 5.31nC and q3 = 2.70nC are aligned along the x axis as shown in the figure below. Assume that L1 = 0.545m and L2 = 0.755m.

image.png

 Calculate the electric field at the position (2.13m, 0).

 Calculate the magnitude of the electric field at the position (0, 2.13m).

 Calculate the angle of the electric field with respect to the positive x-axis at this position (0, 2.13).


 A line of positive charge is formed into a semicircle of radius R = 58.6cm, as shown in the figure below. The charge per unit length along the semicircle is described by the expression λ(θ) = λ0cosθ. The total charge on the semicircle is 12.1uC. Calculate the value of the constant λ0.


 Calculate the magnitude of the total force on a charge of 3.17uC placed at the center of curvature.

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Three point charges, q1 = -4.19nC, q2 = 5.31nC and q3 = 2.70nC are aligned along the x axis as shown in the figure below. Assume that L1 = 0.545m and L2 = 0.755m.
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