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- 3. A magnetic circuit consists of silicon steel 3000 permeability of 10-cm length and cross section of 1.5 sq.cm and an air gap of the same cross section and of 2 cm length. A ½ ampere current flows through 500 turns. What is the field intensity at the air gap? a. 156.8 Gauss b. 135.6 Gauss c. 140.6 Gauss d. 164.0 GaussQuèstion 9 In a cartesian system, vector magnetic potential at a point (x.y.z) is defined as A = 4x?yax +2y²xay 3xyzaz The magnetic flux density at point (1, 0, 0) will be -Зах+Зау-2az -2az 2az -4az Type here to search 耳Three long, parallel, straight wires each carrying a 8.0 A current pass through the vertices of an equilateral triangle (L= 8.0 cm) as shown in the figure below. Currents on wires B and C are out of page while that of wire A is into the page. What is the r and y components of the magnetic field vector at the point of the wire B? Give your answer in uT. В The answer is integer. L C
- y 2a 2a 2a За За 8a A part of wire with length 4a was taken out from the middle part of the upper side of rectangular loop consisting of conducting wires with lengths 3a and 8a in the short and long sides, respectively, and then, in the place of that part, a semicircular conducting wire of radius 2a was connected. The constructed closed loop carries a constant current I in the direction as shown in the figure. What is the magnetic field vector at point O? (A = 3). a) –0.164 o! k b) –0.185 4o! k c) 0.174 o! k d) 0.189 ol k a e) –0.194 Ho! aA Moving to another question will save this response. Quèstion 7 In a cartesian system, vector magnetic potential at a point (x,y,z ) is defined as A = 4x?yax +2y?xay 3xyzaz %3D The total magnetic flux through the surface z= 4,0The figure shows a piece of wire curved in empty space with its left side half-circle, and its linear parts are supposed to be long enough. Determine the magnetic induction at point M if a constant I current flows through this conductor. a M :a I个z r=2 3-Two circular loops one in x-y plane and second in x-z plane 3. 10A As shown a) Find the magnetic field intensity H at point P 4A r=1 b) Now it is required to cancel the magnetic field at point P. To achieve this, two infinite sheets parallel to the y-z plane are to be added. One of them is positioned at x32 and other at x--2. Find an expression for the constant surface current densities of each sheet in magnitude & direction. Draw the current direction in arrows over the sheets.In a cartesian system, vector magnetic potential at a point (x,y,z) is defined as A = 4x?yax +2y2xay -3xyzaz A 3D The total magnetic flux through the surface z=4,03- Find the magnetic field intensity at the radius of 6 cm of a coaxial cable with inner and outer radii are 1.5 cm and 4 cm respectively. The current flowing is 2.A. (a) 2.73 (b) 0 (c) 3.5 (а) 1.25y 4а 4a a 4а 4а 10a A part of wire with length 2a was taken out from the middle part of the upper side of rectangular loop consisting of conducting wires with lengths 4a and 10a in the short and long sides, respectively, and then, in the place of that part, a semicircular conducting wire of radius a was connected. The constructed closed loop carries a constant current I in the direction as shown in the figure. What is the magnetic field vector at point O? ( = 3). a) 0.187 k b) –0.367 Ho! Ho! k c) 0.297 40 k d) –0.303 Hol Ho! a a a a Hol e) –0.343 40 k aQuestion 10 In a cartesian system, vector magnetic potential at a point (x.y.z ) is defined as A = 4x2yax +2y²xay -3xyzaz The magnetic flux density at point (0, 1, 0) will be -2az -4az -3ax+3ay-2az 2az35_ An infinitely long conductor is bent into an L shape as shown in Figure. If a direct current of 3 A flows in the conductor, the magnetic field intensity (H) at (0, - 2, 0)? a) 0.159az b) 0.1989 az c) 0.11934az d) 0.07956azSEE MORE QUESTIONSRecommended textbooks for youIntroductory Circuit Analysis (13th Edition)Electrical EngineeringISBN:9780133923605Author:Robert L. BoylestadPublisher:PEARSONDelmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage LearningProgrammable Logic ControllersElectrical EngineeringISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill EducationFundamentals of Electric CircuitsElectrical EngineeringISBN:9780078028229Author:Charles K Alexander, Matthew SadikuPublisher:McGraw-Hill EducationElectric Circuits. (11th Edition)Electrical EngineeringISBN:9780134746968Author:James W. Nilsson, Susan RiedelPublisher:PEARSONEngineering ElectromagneticsElectrical EngineeringISBN:9780078028151Author:Hayt, William H. (william Hart), Jr, BUCK, John A.Publisher:Mcgraw-hill Education,Introductory Circuit Analysis (13th Edition)Electrical EngineeringISBN:9780133923605Author:Robert L. BoylestadPublisher:PEARSONDelmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage LearningProgrammable Logic ControllersElectrical EngineeringISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill EducationFundamentals of Electric CircuitsElectrical EngineeringISBN:9780078028229Author:Charles K Alexander, Matthew SadikuPublisher:McGraw-Hill EducationElectric Circuits. (11th Edition)Electrical EngineeringISBN:9780134746968Author:James W. Nilsson, Susan RiedelPublisher:PEARSONEngineering ElectromagneticsElectrical EngineeringISBN:9780078028151Author:Hayt, William H. (william Hart), Jr, BUCK, John A.Publisher:Mcgraw-hill Education,