A total charge Q = 3

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A total charge Q = 3.6 μC is distributed uniformly over a quarter circle arc of radius a = 8.8 cm as shown.

a)What is λ the linear charge density along the arc?

b)What is E_x, the value of the x-component of the electric field at the origin (x,y) = (0,0) ?

c)What is E_y, the value of the y-component of the electric field at the origin (x,y) = (0,0) ?

d) How does the magnitude of the electric field at the origin for the quarter-circle arc you have just calculated comnpare to the electric field at the origin produced by a point charge Q = 3.6 μC located a distance a = 8.8 cm from the origin along a 45^o line as shown in the figure?

    A. The magnitude of the field from the point charge is less than that from the quarter-arc of charge.
    B. The magnitude of the field from the point charge is equal to that from the quarter-arc of charge
    C. The magnitude of the field from the point charge is greater than that from the quarter-arc of charge