How much current is required to produce a flux of 0.012 Wb, in the core? b) What is the relative permeability of the core for that current? c) What is the reluctance
How much current is required to produce a flux of 0.012 Wb, in the core? b) What is the relative permeability of the core for that current? c) What is the reluctance
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.1MCQ: The Ohms law for the magnetic circuit states that the net magnetomotive force (mmf) equals the...
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Question
A square magnetic core has a mean length of 43 cm and a cross-sectional area of
120cm2
. A coil of 200 turns of wire is wound around one of the columns of the core, the
which is made of a material whose required magnetic field strength is H=115 Aturns/m.
a) How much current is required to produce a flux of 0.012 Wb, in the core?
b) What is the relative permeability of the core for that current?
c) What is the reluctance?
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