Magnetism and Electromagnetism - Technical MCQs
Q1: What is the reluctance of a material that has a length of 0.045 m, a cross-sectional area of 0.015 m2, and a permeability of 2500 µWb/At·m?A
833.33 µAt/Wb
B
0.27 At/Wb
C
1200 At/Wb
D
More information is needed in order to find the reluctance.
ANS:C - 1200 At/Wb Reluctance(R) = Length(l)/Permeability(µ)*Area(A). |
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