CAPACITANCE IN THE PRESENCE OF DIELECTRIC
   
  1-When dielectric is completely filled between the plates
Let the space between the plates of capacitor is filled with a dielectric of relative permittivity er.
The presence of dielectric reduces the electric intensity by er times and thus the capacitance increases by er times.

C'= C x er

 
  
1-When dielectric is partially filled between the plates
   








 
CONCLUSION
 
  1- Capacitance can be increased by increasing the dimensions of plates.
 
C a A
  2- Capacitance can be increased by decreasing the separation between the plates.
 
C a 1/d
  3- Capacitance of a capacitor increases by the presence of dielectric medium between the plates.
 
C a er
   
   
 
 Contact us:
info@citycollegiate.com
For latest information , free computer courses and high impact notes visit : www.citycollegiate.com
|PHOTOSHOP|FLASH|SWISH|FLAX|INTERNET|PHYSICS|CHEMISTRY|HOME|