An iron circuit with a small 0.75 mm air gap is shown in Figure 1. A 6000 turn coil carries a currentI = 18 mA which sets up a flux within the iron and across the air gap. The cross section of theiron is a consistent 0.8 cm?, and the mean length of the flux path is 0.15 m.a) Redraw the magnetic circuit using schematic symbols of an electric circuit with reluctancein each part of the circuit.b) State's Ohm's Law for magnetic circuit.c) By neglecting the effect of fringing, calculate the reluctance of the circuit.d) Find the flux within the core.N = 6000Iron circuit (4, = 800 for iron).Figure 1

Answered: Image /qna-images/answer/aa065528-0c71-4002-aa25-f2158a948807.jpg

Answered: in each part of the circuit. b) State's…

in each part of the circuit. b) State's Ohm's Law for magnetic circuit. c) By neglecting the effect of fringing, calculate the reluctance of the circuit. d) Find the flux within the core.

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

An iron circuit with a small 0.75 mm air gap is shown in Figure 1. A 6000 turn coil carries a current
I = 18 mA which sets up a flux within the iron and across the air gap. The cross section of the
iron is a consistent 0.8 cm?, and the mean length of the flux path is 0.15 m.
a) Redraw the magnetic circuit using schematic symbols of an electric circuit with reluctance
in each part of the circuit.
b) State's Ohm's Law for magnetic circuit.
c) By neglecting the effect of fringing, calculate the reluctance of the circuit.
d) Find the flux within the core.
N = 6000
Iron circuit (4, = 800 for iron).
Figure 1

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