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Problem: A 10 nC point charge is at the center of a 4m x 4m x 4m cube. What is the electric flux through the top surface of the cube?

FREE Expert Solution

In this problem, we're going to use Gauss's law to get the net electric flux.

From Gauss's law:

ϕnet=E·dA=Qε0

Charge, Q = 10 nC = 10 × 10-9 C

ε0 = 8.85 × 10-12 C2/Nm2

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Problem Details

A 10 nC point charge is at the center of a 4m x 4m x 4m cube. What is the electric flux through the top surface of the cube?

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