A positively charged pith ball, K, is hung from a ring stand. You hold a glass rod in your hand; your partner rubs the glass rod with a piece of silk cloth. Next you approach the pith ball very slowly with the glass rod. The results can be seen here. State an appropriate conclusion for this investigation.
Responses
A The positive charge from K is transferred to the glass rod.The positive charge from K is transferred to the glass rod.
B The glass rod acquired a positive charge from the silk; like charges repel and K moves away.The glass rod acquired a positive charge from the silk; like charges repel and K moves away.
C The glass rod acquired a positive charge from the silk and that charge was transferred to K.The glass rod acquired a positive charge from the silk and that charge was transferred to K.
D The glass rod acquired a negative charge from the silk; opposite charges repel and K moves away.The glass rod acquired a negative charge from the silk; opposite charges repel and K moves away.