Electric flux, ϕ = -{2Q\over \varepsilon_0 }
Concept: Imagine a sphere of radius 3a about the origin and observe that only charge –2Q is inside the sphere.
Electric flux, ϕ = -{2Q\over \varepsilon_0 }
Concept: Imagine a sphere of radius 3a about the origin and observe that only charge –2Q is inside the sphere.
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