A point charge q is placed at one corner of a cubical box. Find the total flux associated with the not ?
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If q is placed at a corner of cubical box then seven more identical cubes are required to enclose , that charge completely. Then the total flux though all faces of 8 cubes is q/ε0.
Now contribution of this
flux through each cube is = q/8ε0
★ NOTE :- Here it is interesting to note that the faces which have common edge on which the given charge is kept have no flux ! and the flux q/8ε0 emerges through the remaining three faces of the cube .
Now contribution of this
flux through each cube is = q/8ε0
★ NOTE :- Here it is interesting to note that the faces which have common edge on which the given charge is kept have no flux ! and the flux q/8ε0 emerges through the remaining three faces of the cube .
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