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why radio frequency chokes are air cored where as audio frequency chokes are iron cored?

why radio frequency chokes are air cored where as audio frequency chokes are iron cored?

Grade:12

1 Answers

Saurabh Kumar
askIITians Faculty 2406 Points
8 years ago
Since the radio frequence is very large order, thats why its inductive reactance will be large, on the other hand audio frequency is of very small order comparetively.
Therefore inductive reactance would be large if choke is of iron cored.
Also keep understanding realtive permeability of iron coil is more comparetively...

Good Luck....

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