Where is the electric potential equal to zero volts?

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Physics Explained
Chapter 2: The Electric Potential

In this video: A 4 nC charge is at the origin and a -3 nC charge is at x = 0.1. Where on the x-axis is the electric potential equal to zero?

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[3:03] explanation: In the numerator of the second equation use the absolute value of abs(x-s). Then break that up into two total equations using the definition of the absolute value. (x-s) and (s-x) just like he wrote. S is the distance between your charges on the x axis, a constant. Then you will be at the part where he has Vc, Vb. This is because there will be two answers where the electric potential is zero on each side of the axis. Good Luck

KevlarSammy
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V_A = 0 at x-》infinity! Now would be a good chance to make a small video about reference choices for potentials

jackwilliams
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@6:04 your expression is incorrect because the potentials should be equal and opposite.

AndreFecteau-dbrr
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Is this the case for any two charges? Meaning that the point charge will be zero at a point always between the two charges as opposed to the left or right of one charge

harimo
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