N₁1.51.512All dimensions in centimeters.N₁ = 200, N₂ = 100N₂Depth 1.5 cmFig: 11.00.8K4001000At/mB03. Multiple Choice (Circle the right answer)I. In the B-H curve when H is made zero, the core has retained flux density B, known asa. The residual flux density.b. The coercivity or coercive force of the magnetic core.c. The magnetization curved. All of the aboveIII. The eddy current loss can be reduced ina. Three wayb. Five wayc. Two wayd. Four wayIV. An ideal transformer that has the following properties:a. The winding resistances are negligible.II. Throughout the whole cycle of magnetization, the flux density leads themagnetic intensity. This leading phenomenon in the magnetic core is calleda. Residual Curveb. Magnetizationc. Hysteresis.d. None of the aboveb. All fluxes are confined to the core and link both windings; that is, no leakagefluxes are present. Core losses are assumed to be negligible.c. Permeability of the core is infinite (i.e., µ ! 1). Therefore, the exciting currentrequired to establish flux in the core is negligible; that is, the net mmf required toestablish a flux in the core is zero.d. All the aboveH

D N₁ 1.5 12 All dimensions in centimeters. N₁ = 200, N₂ = 100 N₂ Depth 1.5 cm Fig: 1 1.0 0.8 0 B 400 At/m 1000 3. Multiple Choice(Circle the right answer) I. In the B-H curve when H is made zero, the core has retained flux density B, known as a. The residual flux density. b. The coercivity or coercive force of the magnetic core. c. The magnetization curve d. All of the above II. Throughout the whole cycle of magnetization, the flux density leads the magnetic intensity. This leading phenomenon in the magnetic core is called a. Residual Curve b. Magnetization c. Hysteresis. d. None of the above III. The eddy current loss can be reduced in a. Three way b. Five way c. Two way d. Four way IV. An ideal transformer that has the following properties: a. The winding resistances are negligible. b. All fluxes are confined to the core and link both windings; that is, no leakage fluxes are present. Core losses are assumed to be negligible. c. Permeability of the core is infinite (i.e., µ ! 1). Therefore, the exciting current required to establish flux in the core is negligible; that is, the net mmf required to establish a flux in the core is zero. d. All the above H

D N₁ 1.5 12 All dimensions in centimeters. N₁ = 200, N₂ = 100 N₂ Depth 1.5 cm Fig: 1 1.0 0.8 0 B 400 At/m 1000 3. Multiple Choice(Circle the right answer) I. In the B-H curve when H is made zero, the core has retained flux density B, known as a. The residual flux density. b. The coercivity or coercive force of the magnetic core. c. The magnetization curve d. All of the above II. Throughout the whole cycle of magnetization, the flux density leads the magnetic intensity. This leading phenomenon in the magnetic core is called a. Residual Curve b. Magnetization c. Hysteresis. d. None of the above III. The eddy current loss can be reduced in a. Three way b. Five way c. Two way d. Four way IV. An ideal transformer that has the following properties: a. The winding resistances are negligible. b. All fluxes are confined to the core and link both windings; that is, no leakage fluxes are present. Core losses are assumed to be negligible. c. Permeability of the core is infinite (i.e., µ ! 1). Therefore, the exciting current required to establish flux in the core is negligible; that is, the net mmf required to establish a flux in the core is zero. d. All the above H

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

Consider the magnetic circuit in Figure. Assuming that the core µ= 1000µo has a uniform cross section of 4 cm2,N= 400 , the flux density in the air gap. 0.2 A L = 42 cm 4 = 0.1 cm 35.4 mwb 60.5 mwb 70.8 mwb Non of These
8. An iron ring has a mean circumferential length of 40 cm and a cross sectional area o 1 cm2. It is wound uniformly with 500 turns of wire. Measurements made with a search coil around the ring show that flux in the ring is 6Wb. If the relative permeability of the core is known to be 65, determine the current flowing in the windings.
FIGURE 5-15 A closely wound toroidal coil (Example 5-8).
Magnetic saturation is that condition of a magnetic material when all of the magnetic domains are oriented in the direction of the applied mmf True False
Step by step full solution
9 ст 9 cm 25 cm- 15 cm -25 cm Q2 A core with three legs is shown in Figure. Its depth is 5 cm, and there are 200 turns on the leftmost leg. The relative permeability of the core 9 cm can be assumed to be 1500 and constant. What 2 A flux exists in each of the three legs of the core? What is the flux density in each of the legs? Assume a 4% increase in the effective area of the 200 turns 0.04 cm 25 cm air gap due to fringing effects (20) 9 cm Core depth 5 cm
the depth of the solid core is 5 cm. Assume that the relative permeability of the core is 1000 and remains constant and that the current in the coll is 4 A. ignore the fringing effects at the air gap and find the following
A magnetic core with an air gap is shown below. For a relative permeability is 3500, and the space free permeability is 4TTX10-7 H/m. Find the reluctance of the left leg and the top side of the core. Ignore the gap in your calculations. 10 cm 0.1 cm gap 20 cm 5 cm 5 cm 40 cm 5 cm core depth = 10 cm Select one: O a. Rieft = 1251 A.t./Wb , Rtop = 1023 A.t/Wb O b. None O c. Rieft = 12.51 KA.t./Wb , Reop = 10.23 KA.t/Wb O d. Rieft = 125.1 A.t./Wb , Rtop = 102.3 A.t/Wb
Using Bio-Savart's law, determine the magnetic flux density produced by a single turn ofa current carrying loop. Consider ONLY the magnetic field along the axis of the loop.Assume that the radius of the loop is 'a', the current carried by the loop is 'l'. Otherparameters retain the standard units.
I need the answer as soon as possible
8)Analyze the boundary value conditions in the illustration given below and frame the equations in terms of magnetic flux density Medium 1 AS(a.) An2 An2 ASI-a) Medium 2 H2
Course Name & Code: Signals & Systems (CNET-221) 1. Formally prove whether or not each system is Time Invariant. (а) Ti{x[n]} = x[-n] X[n]C T Y[n] = X[-n] Input System Output Figure-1 (b) T2{x[n]} = nx[n] X[n]C T Y[n] = nX[n] Input Syrtem Output Figure-2