blmatan
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L and K are two conductor tables, L is grounded (his potential is zero). In this situation the scales are balanced. To measure the charged object's potential, it is being connected to K with thin long conduct wire. just L and K are conductors. when the object is connected to K, L and K are pulling one to each other. In order to save the balance, there are mass in N.
lets say K has charge Q. I want to know what charge is there on L and Why.
THX