Question

When two inflated balloons are rubbed with a woollen cloth, they acquire _______ charge.

Answer 1

1. The rubber balloon becomes negatively charged when rubbed with a woollen cloth.
2. Balloon will gain electrons, hence negatively charged when rubbed with a woollen cloth.
3. The woollen cloth acquires a positive charge.
4. Both the material will have static charges.
5. The charges will remain at the surface of the objects.

Hence, when two inflated balloons are rubbed with a woollen cloth, they acquire negative charge.