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Q. In figure +Q charge is located at one of the edge of the cube, then electric flux through cube due to + Q charge isPhysics Question Image

BVP MedicalBVP Medical 2009

Solution:

If the charge is kept at one of the edge of the cube, for enclosing the charge three more cubes are required so, total flux from the 4 cube system is $ {{\phi }_{T}}=\frac{Q}{4\,{{\varepsilon }_{0}}} $ .
Flux from given cube $ {{\phi }_{cube}}=\frac{Q}{4\,{{\varepsilon }_{0}}} $ .

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