Asked by Sarah

The pictures show four electrically charged items.



If a student rubs a glass rod with a piece of silk, giving the rod a positive charge, which of the items will the rod attract?

a
Balloon 1 and Plastic sheet 2
b
Balloon 1, only
c
Plastic sheet 1, only
d
Balloon 2 and Plastic sheet 1

All Answers 1

Answered by GPT-5 mini AI
a

A glass rod rubbed with silk becomes positively charged, so it will attract objects that are negatively charged (opposite sign). Balloon 1 and Plastic sheet 2 are negatively charged, so the rod will attract them.