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Two charges of magnitudes −2Q and +Q are located at points (a, 0) and (4a, 0) respectively. What is the electric flux due to these charges through a sphere

of radius ‘3a’ with its centre at the origin? (1)


Gauss’ theorem states that the electric flux through a closed surface enclosing a charge is equal to (1/ε0) times the magnitude of the charge enclosed.The sphere encloses a charge of -2Q thus, Ф = -2Q/∈
0 0 0
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