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Solution


Q.

Two charges of 5Q and −2Q are situated at the points (3a,0) and (−5a,0) respectively. The electric flux through a sphere of radius 4a having center at origin is      [2024]
1 2Qε0  
2 5Qε0  
3 7Qε0  
4 3Qε0  

Ans.

(2)

If we draw the sphere, the charge -2Q will be outside of sphere and 5Q charge is inside the spherical region

The flux through sphere 5Qε0