
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Transcribed Image Text:Calculate the magnetic field intensity due to a solenoid of turns 50, current 2A and length 40cm.
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- 5. A cast-iron core of the shape indicated below has the following pertinent dimensions: ab = 10 cm and bc = 15 cm. Find the mmf required if the magnetic field intensity in the thinner side is H1= 100 A-turns/m and the thicker side is H2 = 46 A-turns/m. b 2011arrow_forwardIn the core of a long solenoid the magnetic flux density is 100 Tesla. The cross section of the solenoid is a circle with diameter d=10 cm. Determine the magnetic flux in the core in mWb.arrow_forward3- A magnetic core with an air gap is shown in below Figure. The depth of the core is 3 cm, the length of the air gap in the core is 4 cm, and the number of turns on the coil is 100. How much current is required to produce total flux of 0.00052 Weber? (Hr= 2000, µo=4.r107). 6 cm $3 20 cm N = 100 4 cm = lg 6 ст 6 cm 18 cm 12 cm 18 cm 6 cm Depth = 3 cmarrow_forward
- 5. Plot of B vs.n. Magnetic Field vs. Number of Turns per Length 20 40 60 80 120 -0.005 y = 0.0003x-0.0311 R = 0.8861 -0.01 -0.015 -0.02 -0.025 Number of Turns per Length what kind of relationship can you take from the graph, in equation form? Magnetic field (B) in Teslaarrow_forwardThree long, straight conductors are placed as shown in Figure and they carry a current of 3 A each. The currents are coming out of the page. Given a 1.0 cm, compute the magnitude of the magnetic field at point C O 79.95 UT O 125 UT O 30 uT OUT A. a Ва са -Ol OIarrow_forward1-22. For the figure below, determine the magnetic field intensity in A/m and its direction (into or out of the paper) at point P between the two straight wires. 10A 6mm 4mm 20Aarrow_forward
- For the magnetic system given below, assume infinite permeability for the core. 1=0.5 A 6 cm- N = 1000 turns Core cross-section: 2 cm x 2 cm -6 cm 4 mWb 8 mWb 0 mWb 10 mWb $₂ 0.5 cm 8 cm The flux in the air gap (ignoring fringing) would approximately bearrow_forwardQuestion 1 A ferromagnetic core with a relative permeability of 1500 is shown in Figure 2. The dimensions are as shown in the diagram, and the depth of the core is 7 cm. The air gaps on the left and right sides of the core are 0.070 and 0.020 cm, respectively. Because of fringing effects, the effective area of the air gaps is 5 percent larger than their physical size. If there are 400 turns in the coil wrapped around the center leg of the core and if the current in the coil is 1.0 A, what is a) the flux in each of the left, center, and right legs of the core? b) the flux density in each air gap? 7 cm ст ст 30 cm 30 cm 7 cm 400 turns 0.05 cm 30 cm 0.07 cm 7 cm Core depth = 7 cm Figure 2arrow_forward4-A magnetic core with an air gap is shown in below Figure. The depth of the core is 3 cm, the length of the air gap in the core is 4 cm, and the number of turns on the coil is 100. How much current is required to produce total flux of 0.00062 Wb? (H= 3000, µo=4.107). 6 ст фз 4 cm = lg 20 cm N = 100 6 cm i ø1 6 cm 18 cm 12 cm 18 cm 6 cm Depth = 3 cmarrow_forward
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