Verified Solution • 2025–26 Session moderate

QAIPM-2012-Ph-1726: NEET 2012 Physics - Class 12 AIPM-2012-Ph-1726 Solution: What is the flux through a cube of side \(a\) if a point charge …

What is the flux through a cube of side aa if a point charge of qq is at one of its corner?

Multiple Choice Options

  • A 2qϵ0\frac{2q}{\epsilon_0}
  • B q8ϵ0\frac{q}{8\epsilon_0}
  • C qϵ0\frac{q}{\epsilon_0}
  • D q2ϵ0\frac{q}{2\epsilon_0}

Step-by-Step Verified Solution

Eight identical cubes are required so that the given charge q appears at the centre of the bigger cube. Thus, the electric flux passing through the given cube is _ = 1 8 ( q _ 0 ) = q 8 _ 0

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