SSC JE Electrical Engineering 24 Jan 2018 Morning Paper

Question : 124 of 199

Marks: +1, -0

Which one of the following is the CORRECT expression for the self inductance of a solenoid?

Solution:

Self inductance of solenoid is given by

L={µ_0N^2A}/l

where

µ_o

→ Permeability
l → Length of solenoid
N → No of turns
A → Area of cross section

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