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Difference Between Polarized and Unpolarized Capacitors

Basically we come across  two types of capacitors that are Polarized and Non Polarized while Studying Electrical Subjects.The main Difference Between these Capacitors as follows
1)Polarized Capacitors:
  • These are mainly Electrolytic Capacitors (Like Example Aluminum Electrolytic Capacitors). 
  • They can hold large amount of energy
  • In The two terminals of Capacitor,One terminal should always be more positive than the other terminal.
2)Non Polarized Capacitors:
  • Their names Based upon the type dielectric material that goes into the capacitors (Like Example Ceramic Dielectric capacitors)
  • They are using in determining the frequency of a particular element,Decoupling of a electric circuit,Power tuning etc.
  • There is no Restriction,either of the terminal can be more positive than the other terminal at any given point of time.