A point charge of $2.0\; \mu \,C$ is at the centre of a cubic Gaussian surface $9.0\; cm$ on edge. What is the net electric flux through the surface?

  • A

    $4.166 \times 10^{6} \;N \;m ^{2} C ^{-1}$

  • B

    $7.24 \times 10^{4} \;N \;m ^{2} C ^{-1}$

  • C

    $8.34 \times 10^{5} \;N \;m ^{2} C ^{-1}$

  • D

    $2.26 \times 10^{5} \;N \;m ^{2} C ^{-1}$

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