Problem: A point charge of magnitude q is at the center of a cube with sides of length L.A: What is the electric flux Φ through each of the six faces of the cube if  L = 2m? Use ε0 for the permittivity of free space.B: What would be the flux Φ through a face of the cube if its sides were of length L = 5m?

FREE Expert Solution

Electric flux:

ϕE=E·ds=qε0

(A)

E·ds=qε0E(A1+A2+A3+A4+A5+A6)=qε0

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Problem Details

A point charge of magnitude q is at the center of a cube with sides of length L.

A: What is the electric flux Φ through each of the six faces of the cube if  = 2m? Use ε0 for the permittivity of free space.

B: What would be the flux Φ through a face of the cube if its sides were of length = 5m?

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