Q8 of 84 Page 288

An inflated rubber balloon and a woollen cloth are rubbed together. What type of charge is acquired by

(a) woollen cloth, and (b) rubber balloon?

The rubber balloon becomes negatively charged when rubbed with a woolen cloth. The woolen cloth acquires a positive charge.


More from this chapter

All 84 →
6

A negatively charged object repels another charged object held near it. What is the nature of charge on the other object?

 7

A glass rod is rubbed with a silk cloth. What type of charge is acquired by

(a) silk cloth, (b) glass rod?

 9

Name the device to detect electric charge on a body.

 10

When an object is touched with the metal top of an electroscope, its aluminium leaves diverge. What conclusion do you get from this observation?