The potential energy of system of two equal negative point charges of 2 microcoulomb each held 1m apart in air is?
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3
potential energy
U=-kqq'/r²
U=-9×10^9(2×10^-6)²/1² J
U=23.09 J
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6
Answer:3.6×10^-2 J is the correct answer.
So opt D is correct
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