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QUESTION- An air-filled cylindrical inductor has 7600 turns, and it is 2.7cm in diameter and 27.6cm...

QUESTION- An air-filled cylindrical inductor has 7600 turns, and it is 2.7cm in diameter and 27.6cm long.

(b) How many turns (N) would you need to generate the same inductance if the core were iron filled instead? Assume the magnetic permeability of iron is 1200 times that of free space.

(a) MY INDUCTANCE (L)= 0.1449 H

help! pls use my (L) NOT SURE IF IM GETTING THE RIGHT ANSWER

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