Question
Sun February 10, 2013 By: Renu Mariam John
 

A radio frequency choke is an air cored coil where as an audio frequency choke is iron cored.give reason.

Expert Reply
Mon February 11, 2013
Since a radio frequency is much higher than an audio frequency, thus in order to tune it we need lesser inductance ( w=1/(LC)^1/2 )
and an iron core in the choke increases the inductance.
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