Electrostatic Induction
 

Electrostatic Induction problem 17


In the diagram, rod R hangs from an insulating thread.




When the positively charged rod Q is brought close to rod R, rod R moves away from rod Q. Which conclusion can be made from this observation?


  • Rod R is charged, but it is not possible to identify the sign of the charge.

  • Rod R must be positively charged.

  • Rod R must be negatively charged.

  • Rod R is uncharged.


 

main author and content editor: Joanah Frank