What is Electric Current and Voltage

Electric Current - is the rate of flow of electrons in a conductor. The SI Unit of electric currentis the Ampere.


Voltage Definition and Formula


  • As per voltage definition, it is the difference in the electric potential between two points. It is the work done in moving a charge from one pole to another through a wire.
  • To determine the voltage between any two points, both a static electric field and a dynamic electromagnetic field is considered. 
  • The mathematical representation of voltage is as follows:
    • V = IR
    • V = Voltage in volts
    • I = Current in amperes
    • R = Resistance in ohms

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