, where Q is the electric charge in the given cross-sectional area and ε0 is the permittivity in free space.
From our figure,
From the equation of electric flux,
The charge enclosed by the Gaussian surface, A is:
Qenc = q1 + q5 = 2q
q1 = 2q - q5 ........(a)
Five charges are arranged as shown. The figure shows five Gaussian surfaces and the electric flux through each. What are the five charges q1 to q5 in terms of q?
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