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Two point charges 2muC and 3muC are plac...

Two point charges 2`mu`C and 3`mu`C are placed at two corners of an equilateral triangle of side 20cm in free space. Calculate the magnitude of resultant electric field at the third corner of the triangle. If an `alpha`-particle is placed at the third corner, what is the force acting on it? (charge on `alpha` particle is 3.2`times10^-19`C).

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