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State two types of inductors and give their applications.
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Types of inductors: i) Air cored inductor ii) Iron cored inductor iii) Ferrite cored inductor


Air cored inductor: These are used for high frequency application e.g. Radio sets, wave traps, Induction heaters etc. 


Iron cored inductor: These are basically used for low frequency applications such as filters, chokes, amplifiers and other d.c. applications. 


Ferrite cored inductor: These are used for many high frequency applications such as carrier telephony, domestic television receivers, domestic radio receiver, wide band pulse transformers, oscillators, signal generators, high frequency amplifiers, etc. 

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