Two point charges 1.6 cm apart have an electric potential energy -170
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Answer:
17microcoulomb
Explanation:
potential energy = 170 joule = (k×q^2)÷distance =(9×10^9×q^2)÷1.6×10^-2
q^2=(170×16×10^-6)÷9
q = 17 micro coulomb
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