can you explain me from basics for problems with conductors having cavities and cavities containing charges and to find out 1.electric field at different points 2.to know about the uniformity of the charges induced on different surfaces of conductor and cavities.can u give detailed discussion about this and a problem which contains all these concepts?

Dear Shna,

1. The problem statement, all variables and given/known data

A point charge q1 = -6.00nC is at the origin, and a second point charge q2 = +4.00nC is on the x-axis at x = 0.800 m. Find the electric field at each of the following points on the x-axis; a.) 0.200m b.) x = 1.20m c.) x = -0.200 m

2. Relevant equations

E = kq1q2/r^2


3. The attempt at a solution

i did a little research and saw this:

E = E₁ + E₂

so i did it. E₁ = (9E9)(-6.00E-9)/(0.2)² + E₂ = (9E9)(+4.00E-9)/(0.6)₂

= -1.350x10³ + 1.00X10² = -1.25x10³

Best Of luck

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your solutuion doesnt answer my question