Answers

2016-04-03T09:55:24+05:30
The entire electric charge of a system is equal to the algebraic sum of electric charges located in the system. For instance if two charged bodies of charges +2q -5q are brought in contact the total charge of the system is -3q.

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2016-04-03T09:56:48+05:30
Additivity - addition 
of charges - all charges in whole system 

- addition of all charges in the system my mathematically 
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