• Brainly User
 It is a device that is used to calculate numerical value  to find the charge on any type of body....
its basic  principle is to attract charges 
we can also make a model of electroscope by using a comb and someones oily hair and with some very small strips of paper .....

2 5 2
oh nope..why smone get jelous with u......u r overpowering ur self #part...
k bye
varna i will be late..!
Comment has been deleted ho gya..!! ;P
It is an instrument used to find numerical value of charges on any type of body by attraction of charges