Identical point charges (q = +20 μC) are placed at the corners of an equilateral triangle with sides of a = 2.0-m length. How much external energy is required to bring a charge of 45 μC from infinity to the midpoint of one side of the triangle? Assume V = 0 at infinity.
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Identical point charges (q = +20 μC) are placed at the corners of an equilateral triangle with sides...
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