What do you understand by the term current? State and define it's S.I. unit.
224 Likes
Current is the rate of flow of charge across a cross-section normal to the direction of flow of current.
The S.I. unit of current is coulomb per second which is called ampere. It is denoted by the symbol A.
Answered By
149 Likes
What is a primary cell? Name two such cells.
What is a secondary cell? Name one such cell.
What are conductors and insulators of electricity? Give two examples of each.
State two differences between a conductor and an insulator of electricity.