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A thin, semicircular wire of radius R is uniformly charged with total positive charge Q (see figure below). Determine the electric field at the midpoint O of the diameter. (Use any variable or symbol stated above along with the following as necessary: k.) magnitude E = direction

A thin, semicircular wire of radius R is uniformly charged with total positive charge Q (see figure below). Determine the electric field at the midpoint O of the diameter. (Use any variable or symbol stated above along with the following as necessary: k.) magnitude E = direction

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A thin, semicircular wire of radius R is uniformly charged with total positive charge Q (see figure below). Determine the electric field at the midpoint O of the diameter. (Use any variable or symbol stated above along with the following as necessary: k .) magnitude E = ◻ direction ◻

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