Question

A charged object (like a balloon that's been rubbed on the wall) cant attract an object with a net neutral charge (neither positive nor negative). Explain how this happens. Go into detail about charges and how they are likely to be arranged in this instance. Name the process that charges the balloon and the object.

Answer 1

Answer: A balloon is charged by a process of frictional charging and the object is getting charged by the process of induction.

Explanation:

When two bodies are rubbed against each other, charging by friction or rubbing occurs. The electropositive object loses electrons to electronegative object. Thus, when balloon is rubbed on a wall, it becomes charged.

The charged balloon is able to attract an uncharged object by inducing charge on it without the two objects touching each other. Electrostatic force acts between two charged objects. Charged balloon causes electrons to move at one end thereby inducing opposite charge in the object and thus, charged balloon is able to attract uncharged object.