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If the surfaces of two objects are rubbed with each other, then which one will have positive charge and which one will have negative charge - how can I determine this?

If the surfaces of two objects are rubbed with each other, then which one will have positive charge and which one will have negative charge -  how  can I determine this?

Grade:7

3 Answers

Vikas TU
14149 Points
one year ago
Dear student 
Because one of the objects acquires electrons from the other one so the one losing electrons will acquire a +e charge, And the one getting the electrons will acquire a -e charge. And because the number lost = the number gained the charges are equal and opposite.
Good Luck 
Ganesh
30 Points
one year ago
You can differentiate between a positively charged body and a negatively charged through the help of electroscope. You can also refer to a triboelectric series, which is a list of known materials sorted by increasing negative charge. Rubber, for example, is lower on the list than wool, so stroking rubber with wool will reliably create a negative charge in the rubber.
 
Yashraj
915 Points
one year ago
the surface which will have hishertendecy to lose electron will lose electron and other will accept
hope 
this 
will help
you

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