A line of positive charge is formed into a semi circle of radius R = 60.0 cm. The charge per unit length along the semicircle is described by the expression λ=λ0 cos θ. The total charge on the semicircle is 12.0 μC. Calculate the total force on a charge of 3.00 μC placed at the center of the curvature.

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Q: A solid conducting sphere of radius 2.00 cm has a charge of 7.52 MuC. A conducting spherical shell…

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.