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but with uniform ch positioned with one- to be at infinity.

but with uniform ch positioned with one- to be at infinity.

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3. A thin rod of length L and uniform positive charge per unit length -A is positioned on the X-axis with one end at x = d. A second rod, also of length L but with uniform charge per unit length +1, is positioned with one end at x =-d. Take V= 0 to be at infinity. Find the electric potential due to the two rods at the origin 0 (x = 0). If the electric potential at O is zero, explain why. Otherwise find both the magnitude and sign of the potential at 0. d d. +2 -A (x=0)
Transcribed Image Text:3. A thin rod of length L and uniform positive charge per unit length -A is positioned on the X-axis with one end at x = d. A second rod, also of length L but with uniform charge per unit length +1, is positioned with one end at x =-d. Take V= 0 to be at infinity. Find the electric potential due to the two rods at the origin 0 (x = 0). If the electric potential at O is zero, explain why. Otherwise find both the magnitude and sign of the potential at 0. d d. +2 -A (x=0)
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