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A thin plastic ring of radius R = 0.31 m is sprayed with electrically charged paint in a manner that half of the ring has a constant line charge density of +λ and the other half has constant line charge density of −λ, where λ = 4.6 mC/m. Part (a) Enter an expression for the magnitude of the electric field at the center of the ring. (Note: E is not zero even though the total charge on the ring is clearly zero.) E =

A thin plastic ring of radius R = 0.31 m is sprayed with electrically charged paint in a manner that half of the ring has a constant line charge density of +λ and the other half has constant line charge density of −λ, where λ = 4.6 mC/m. Part (a) Enter an expression for the magnitude of the electric field at the center of the ring. (Note: E is not zero even though the total charge on the ring is clearly zero.) E =

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Problem 2: (33% of Assignment Value) A thin plastic ring of radius R = 0.31 m is sprayed with electrically charged paint in a manner that half of the ring has a constant line charge density of + λ and the other half has constant line charge density of − λ , where λ = 4.6 m C / m .
Part (a) Enter an expression for the magnitude of the electric field at the center of the ring. (Note: E is not zero even though the total charge on the ring is clearly zero.)
E =
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