SSC JE Electrical Engineering 24 Jan 2018 Morning Paper

Question : 127 of 199

Marks: +1, -0

Determine the value of permeance (in H) of a coil, when the flux through the coil is 26 Wb and the value of produced mmf is 20 Amp–turns.

Solution:

Given data
Flux = 26 Wb
mmf = 20 A-T
Permeance (P)

=\flux/\mmf=26/20=1.3\units

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