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[" An electric field due to a positively...

[" An electric field due to a positively charged "],[" long straight wire at a distance "r" from it is "],[" proportional to "r^(-1)" in magnitude.Two "],[" electrons are orbiting such a long straight "],[" wire in circular orbits of radii "1 AA" and "2 AA" ."],[" The ratio of their respective time periods is "]

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