Basic Concept Of Current, Potential Difference,Resistance and Electromotive Force (EMF)
1) Current:
The current due to flow of electrons is called as electric current.
OR
The movement of electrons or flow of electrons inside a conducting material. It is denoted by I and measured in Ampere.
2) Potential Difference:
Potntial difference is the difference in the amount of energy that charge carriers have between two points in a circuit. Measured in volts. and is called as Voltage.
3) Resistance :
Resistance is defined as the Opposition to the flow of current. Measured in Ohms.
4) Electromotive Force (EMF):
The electrical force or pressure that causes the electrons to move in a particular direction is called as electromotive force (EMF).




Comments