1.

Two point charges \[+3\mu C\] and \[+8\mu C\] repel each other with a force of \[40N\]. If a charge of \[-5\mu C\]is added to each of them, then the force between them will become         [SCRA 1998; JIPMER 2000]  

A.          \[-10N\]       
B.          \[+10N\]
C. \[+20N\]        
D.          \[-20N\]
Answer» B.          \[+10N\]


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