WHAT IS VOLTAGE AND CURRENT AND EXPLAIN WITH WATER ANALOGY SYSYTEM

   WHAT IS VOLTAGE AND CURRENT:

VOLTAGE:

          It is defined as the potential difference between two ends of the electrical circuit.

      Potential difference means the pressure or force of the charges in the electrical circuit.

 

     Voltage is measured with a voltmeter, connected in parallel. It is denoted by symbol v.

CURRENT:

     Current is the rate at which electric charge flows past a point in a circuit. In other words, current is the rate of flow of electric charge.

 

   Normally Electrons flows in the electric circuit.

 

   Current is measured with an Ammeter, connected in serious. It is denoted by the symbol (I). Its unit is Ampere (A).

VOLTAGE AND CURRENT EXPLAINATION USING WATER PUMP ANALOGY:

Water pressure= voltage or potential difference

                                                                                                                                             Water = current

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As per OHM’s Law

                                                                                                                            

         1.  Voltage V=IR    unit in volts.

                      

            2.  Current I=V/R   unit in ampere.

 

 

            R=Resistance      V= voltage      I=current

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