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A -10.0 nC point charge and a +20.0 nC point charge are 15.0 cm apart on the x-axis. Part...

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Physics

A -10.0 nCpoint charge and a +20.0 nCpoint charge are 15.0 cmapart on the x-axis.



Part A)

What is the electric potential at the point on the x-axiswhere the electric field is zero? Answer in V



Part B)

What is the magnitude of the electric field at the point onthe x-axis,between the charges, where the electric potential is zero? Answerin N/C

Answer & Explanation Solved by verified expert
4.0 Ratings (610 Votes)
ALet the point P where the electric field is zero be at adistance r from 10nC on the x axis The distance between thecharges is 15 cm or 015 mElectric field due to 10 nCE1 K10x109r2Electric field due to 20 nCE2    See Answer
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