SSC JE Electrical Engineering 22 Jan 2018 Evening Paper

Question : 123 of 200

Marks: +1, -0

Determine the produced mmf (in Amp-turns) in a magnetic circuit if it has 60 turns and carrying a current of 0.5 A.

Solution:

Given data
n = 60
I = 0.5 A
Magnetomotive force (mmf) = nI
= 60 × 0.5 =

60×5/10

= 30 A – T

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