PPT: Introduction of Electric Circuit | Basic Electrical Technology - Electrical Engineering (EE) PDF Download

 Page 1


VOLTAGE 
? Always a force of attration exists 
     between +ve and  -ve charges in an  
  atom. 
? The energy required to overcome this force and 
move the charge through specific distance is called 
poterntial energy. 
? The difference in Potential Energy is called 
Potential Difference (Electrical term: VOL TAGE) 
              V =  
?? (???????????? )
?? (???????????? )
 
Page 2


VOLTAGE 
? Always a force of attration exists 
     between +ve and  -ve charges in an  
  atom. 
? The energy required to overcome this force and 
move the charge through specific distance is called 
poterntial energy. 
? The difference in Potential Energy is called 
Potential Difference (Electrical term: VOL TAGE) 
              V =  
?? (???????????? )
?? (???????????? )
 
CURRENT 
? The rate of flow of electrons in a  
     conductive or semiconductive  
    material.  
? It is measured by the number of  
    electrons flow past a point in unit time. 
      I   = 
NOTE :    1A  =  1coulomb/sec   =  ?? . ???? ?? ????
???? 
?? -
s /sec 
?? (???????????? )
?? (???????? )
 
Page 3


VOLTAGE 
? Always a force of attration exists 
     between +ve and  -ve charges in an  
  atom. 
? The energy required to overcome this force and 
move the charge through specific distance is called 
poterntial energy. 
? The difference in Potential Energy is called 
Potential Difference (Electrical term: VOL TAGE) 
              V =  
?? (???????????? )
?? (???????????? )
 
CURRENT 
? The rate of flow of electrons in a  
     conductive or semiconductive  
    material.  
? It is measured by the number of  
    electrons flow past a point in unit time. 
      I   = 
NOTE :    1A  =  1coulomb/sec   =  ?? . ???? ?? ????
???? 
?? -
s /sec 
?? (???????????? )
?? (???????? )
 
ANALOGY 
 
V 1 
V 2 
V1 > V2 
V1 – V2 = Potential 
   difference 
Page 4


VOLTAGE 
? Always a force of attration exists 
     between +ve and  -ve charges in an  
  atom. 
? The energy required to overcome this force and 
move the charge through specific distance is called 
poterntial energy. 
? The difference in Potential Energy is called 
Potential Difference (Electrical term: VOL TAGE) 
              V =  
?? (???????????? )
?? (???????????? )
 
CURRENT 
? The rate of flow of electrons in a  
     conductive or semiconductive  
    material.  
? It is measured by the number of  
    electrons flow past a point in unit time. 
      I   = 
NOTE :    1A  =  1coulomb/sec   =  ?? . ???? ?? ????
???? 
?? -
s /sec 
?? (???????????? )
?? (???????? )
 
ANALOGY 
 
V 1 
V 2 
V1 > V2 
V1 – V2 = Potential 
   difference 
Energy and Power 
? Energy   -   Capacity for doing work  
          (measured in terms of Joules) 
? Power     -  Rate of change of energy in unit time 
     (measured in terms of Watts)  
 
   P   =  
Note :    1W =   1J  /  Sec 
?? (???????????? )
?? (???????? )
 
Page 5


VOLTAGE 
? Always a force of attration exists 
     between +ve and  -ve charges in an  
  atom. 
? The energy required to overcome this force and 
move the charge through specific distance is called 
poterntial energy. 
? The difference in Potential Energy is called 
Potential Difference (Electrical term: VOL TAGE) 
              V =  
?? (???????????? )
?? (???????????? )
 
CURRENT 
? The rate of flow of electrons in a  
     conductive or semiconductive  
    material.  
? It is measured by the number of  
    electrons flow past a point in unit time. 
      I   = 
NOTE :    1A  =  1coulomb/sec   =  ?? . ???? ?? ????
???? 
?? -
s /sec 
?? (???????????? )
?? (???????? )
 
ANALOGY 
 
V 1 
V 2 
V1 > V2 
V1 – V2 = Potential 
   difference 
Energy and Power 
? Energy   -   Capacity for doing work  
          (measured in terms of Joules) 
? Power     -  Rate of change of energy in unit time 
     (measured in terms of Watts)  
 
   P   =  
Note :    1W =   1J  /  Sec 
?? (???????????? )
?? (???????? )
 
NETWORK ELEMENTS 
We can classify network elements into 4 types: 
 
1. Active / Passive Elements 
2. Bilateral / Unilateral Elements 
3. Linear / Non-Linear Elements 
4. Lumped / Distributed Elements