Physics, asked by palakpreet2712, 1 year ago

self inductance of air core inductor increase from 0.1 mH to 10mH when an iron core is placed in it . what is relative permeability of core

Answers

Answered by vivekchowdary2006

1

L0=μ0N2Al and L=μN2Al

∴Ll0=μμ0=μr

∴Mur=LL0=10 mH 0.01 mH=1000

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