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Please answer the second question. Thank you.
A non-uniformly charged semicircle of radius R λ-:-7.876, where λ has units of μ C/m. 22.8 cm lies in the xy plane, centered at the origin, as shown. The charge density varies as the angle θ (in radians) according to Semi-circle, radius R R, What is the total charge on the semicircle?-8.85x10 C 4pts are correct. Your receipt no. 14360eious Tries what is the 쳬 component of the electric field at the origin 4pts
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Answer #1

B)

The component of electric field in x-direction will cancel out due to symmetry.

So, electric field, Ex = 0

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