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## Homework Statement

which quantity of excess electric charge could be found on an object

1) 6.25 x 10 exponenet -19 c

2) 4.80 x 10 exponent -19 c

3) 6.25 elementary charges

4) 1.60 elementary charges

## Homework Equations

i know that 1.60 x 10 exponenet - 19 c is one element charge

## The Attempt at a Solution

but i dont know how many charges are in a object