272125
A small metal ball is brought into contact alternatively with points $A,B$ and $C$ of the charged body shown in figure. After each contact the charge of the ball is determined approximately by touching it against an electroscope. If ${{q}_{A}},{{q}_{B}}$ and ${{q}_{C}}$ are the charges, then
272125
A small metal ball is brought into contact alternatively with points $A,B$ and $C$ of the charged body shown in figure. After each contact the charge of the ball is determined approximately by touching it against an electroscope. If ${{q}_{A}},{{q}_{B}}$ and ${{q}_{C}}$ are the charges, then
272125
A small metal ball is brought into contact alternatively with points $A,B$ and $C$ of the charged body shown in figure. After each contact the charge of the ball is determined approximately by touching it against an electroscope. If ${{q}_{A}},{{q}_{B}}$ and ${{q}_{C}}$ are the charges, then
272125
A small metal ball is brought into contact alternatively with points $A,B$ and $C$ of the charged body shown in figure. After each contact the charge of the ball is determined approximately by touching it against an electroscope. If ${{q}_{A}},{{q}_{B}}$ and ${{q}_{C}}$ are the charges, then
272125
A small metal ball is brought into contact alternatively with points $A,B$ and $C$ of the charged body shown in figure. After each contact the charge of the ball is determined approximately by touching it against an electroscope. If ${{q}_{A}},{{q}_{B}}$ and ${{q}_{C}}$ are the charges, then