Advertisements
Advertisements
Question
How charges are produced by friction?
Short Note
Solution
Rubbing certain materials with one another can cause the build-up of electrical charges on the surfaces. So charges are produced by friction.
Example:
Combing hair charges are transferred from the hair to the comb due to friction.
shaalaa.com
Flow of Charges (Electrons) Between Conductor
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Define the term current.
Match the following.
Two similar charges | acquires a positive charge |
Two dissimilar charges | prevents a circuit from overheating |
When glass rod is rubbed with silk | repel each other |
When ebonite rod is rubbed with fur | attract each other |
Fuse | acquires a negative charge |
Give a reason for the following.
When a comb is rubbed with dry hair it attracts small bits of paper.
The material which allows electric current to pass through it is called ______.
Flow of per unit time is called current ______.
Before the discovery of electrons, it was considered that electric current is due to the flow of ______ charges.
What are electrodes?