Positive electric charge Q is distributed uniformly along a thin rod of length 2a. The rod lies along the x-axis between x = -a and x = +a. Calculate how much work you must do to bring a positive point charge q from infinity to the point x = +L on the x-axis, where L>a.
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Q: 외 2, + 1 | | y | 1 1 | A
A: Q1 =15.4 μC. , Q2 =−38.6 μC , Q3 =57.3 μC & x = y = 60.1cm = 0.601 m
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A: Q1 = + 3.45 × 10-⁶ C Q2 = + 7.65 × 10-⁶ C Q3 = - 1.15 × 10-⁶ C r = 1.35 m
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