he length of a magnetic circuit in a moving iron instrument is 300mm. The coil around the soft-iron core has 360 turns and takes a current of 1.75A . The core is square in section with sides of 20mm . Take the relative permeability of soft iron as 1100 . 3.4.1 Determine the magnetomotive force in the core 3.4.2 Determine the field strength 3.4.3 Determine the flux density 3.4.4 Determine the total flux

he length of a magnetic circuit in a moving iron instrument is 300mm. The coil around the soft-iron core has 360 turns and takes a current of 1.75A . The core is square in section with sides of 20mm . Take the relative permeability of soft iron as 1100 . 3.4.1 Determine the magnetomotive force in the core 3.4.2 Determine the field strength 3.4.3 Determine the flux density 3.4.4 Determine the total flux

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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The Ohms law for the magnetic circuit states that the net magnetomotive force (mmf) equals the product of the core reluctance and the core flux. (a) True (b) False
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