Question
A line of positive charge is formed into a semicircle of radius R = 45.0 cm,...
A line of positive charge is formed into a semicircle of radius R = 45.0 cm, as shown in the figure below. The charge per unit length along the semicircle is described by the expression ? = ?0 cos(?). The total charge on the semicircle is 16.0
Answers
The electric force experienced by the 3uC charge placed at the origin is 4R2 4R2 Substitute the numerical values in the above equation 4R (9s10% Nmŕ/C) (16x10-6 C)(3.0x10-6 C) ^ 4(0.45 m) -(1.8NC)(-) Therefore, the magnitude of the required force is 1.8 N/C and the direction is in the negative y axis.
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