Is vector equals to 2x icap then find volume charge density inside cube
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Answer:
The net charge enclosed by the cube is 2a³ε₀
Explanation :
Given, E = 2x i
Since the electric field has only x component, hence only the two sides which are perpendicular to x axis will have flux, flux through rest of the faces = 0
Field at the 1st face E₁ = 2x = 2 x 0 = 0 ( as x = 0 here)
Field at the 2nd face E₂ = 2x = 2a ( as x = a)
hence net field = 0 + 2a = 2a
We know that flux is given as,
Φ = E.S = 2a x a² = 2a³
Applying gauss law,
Φ = q/ε₀
=> q = Φε₀
=> q = 2a³ε₀
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