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[" 2.The linear charge density of a unif...

[" 2.The linear charge density of a uniform "],[" semicircular wire varies with "theta" ' shown in the "],[" figure as "lambda=lambda_(0)cos theta." If "R" is the radius of the "],[" loop,the charge on the wire is "],[[" A) "lambda_(0)R," B) "3 lambda_(0)R],[" C) "(2 lambda_(0)R)/(3)," D) "2 lambda_(0)R]]

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