"Electric current is defined as the amount of electric charge passing through a cross section of a conductor in unit time."
OR
"The rate of flow of electric charge through a cross section of a conductor is called Electric Current".
Mathematically
Electric current = electric charge / time
I = Q/t
Unit of electric current is AMPERE. 1 ampere = 1 coulomb / 1 sec | |
AMPERE | |
In S.I system unit of electric current is ampere. Ampere is defined as: “Current through a conductor will be 1 ampere if one coulomb of electric charge passes through any cross section of conductor in 1 second.” 1 ampere = 1 coulomb / 1 sec | |
There are two types of current. | |
ELECTRONIC CURRENT | |
Electronic current flows from negative to positive terminal. | |
CONVENTIONAL CURRENT | |
Direction of conventional current is taken from higher potential to the lower potential. (www.pak-physicsnotes.blogspot.com) | |
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