What is the SI unit of electric charge?
Why does object A become negatively charged after it is rubbed with object B?
Electrons have moved from object A to object B
Electrons have moved from object B to object A
Protons have moved from object A to object B.
Protons have moved from object B to object A.
Two similar balloons hang side by side, on insulating threads, a short distance apart. They are
both rubbed with the same dry cloth and become charged.
Which diagram shows how the balloons hang after charging?
Electrostatics is the study of .