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12-12-2022
Physics

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24. two stationary point charges of unknown magnitude and sign are isolated from all other charges. if the electric field strength is zero at the midpoint of the line joining them, which of the following can be concluded about the charges? (a) they are equal in magnitude but opposite in sign. (b) they are equal in magnitude and have the same sign. (c) they are not necessarily equal in magnitude but have opposite signs. (d) they are not necessarily equal in magnitude but have the same sign. (e) noneoftheabovecanbeconcludedwithout additional information.

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