Q1 of 26 Page 134

Which of the following cannot be charged easily by friction?

Only non-conducting materials can be charged by friction


Option (a) Plastic is non-conducting material hence it can be easily charged by friction.


Option (b) Copper is conducting material hence copper rod cannot be easily charged by friction. Therefore, it is the correct option


Option (c) Balloon is non-conducting material hence it can be easily charged by friction.


Option (d) Wool is non-conducting material hence it can be easily charged by friction.


Option (e) Wood is non-conducting material hence it can be easily charged by friction.

More from this chapter

All 26 →
2

When a glass rod is rubbed with a piece of silk cloth the rod

 3

Identify True or False sentences among the following:

(a) Like charges attract each other (T/F)


(b) A charged glass rod attract a charged plastic straw (T/F)


(c) Lightning conductor cannot protect a building from lightning (T/F)


(d) Earthquakes can be predicted in advance (T/F)

 4

Sometimes, a crackling sound is heard while taking off sweater during winter. Explain.

 5

Explain why a charged body loses its charge if we touch it with our hand.