Calculate the inductance of the coil shown with rolativo por moability of 2000 The num moability of 00 Tho num
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- An ac resistance is higher than a dc resistance. True FalseQuestion 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 2The principle operation of LVDT is based on the variation of Select one a. Self inductance b. Reluctance c. Mutual inductance d. Permanence
- Increasing the cross-sectional area of the core will decrease the self-inductance. True False Reset Selectionconstant. 15 cm core depth = 15 cm Problem 2 A ferromagnetic core with a relative permeability of 2000 is shown in Figure. 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 0.050 and 0.070 cm, respectively. If there are 300 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 the flux in each of the left, center, and right legs of the core? What is the flux density in each air gap? |7 cm 30 cm 7 cm 7 cm 30 cm 7 cm 30 cm -0,05 cm 300 turns 0.07 cm 7 cm 1|PageWhich of the following is the absolute permeability of the cast-steel core of figure Q4? A = 2 x 10-³ m² N =200 turns -Cast-steel core 1 = 0.16 m (mean length) Figure Q4 O a. 1.18 x 10 3 Wb/A.m O b. 1.2 x 10 -3 Wb/A.m O c. 1.5 x 10 -3 Wb/A.m O d. 5 x 104 w Leave a message
- b1- The given ferromagnetic core relative permeability is 800. Determine the total reluctance of the core. 35 cm 10 cm 20 cm 50 cm 15 cm 45 cm 15 cm 15 cm 10 cmA ferromagnetic core in the shape of a doughnut has a cross-sectional area of 0.11 m2 and an average length of 1.4 m. The permeabil ity of the core is 1.206 × 10-3 Wb/A-t. m. Determine the reluctance of the magnetic circuitParamagnetic materials have relative permeability Equal to that ferromagnetic materials Slightly less than unity Slightly more than unity Equal to unity
- In a certain cast-steel core series magnetic circuit with a 400 turns, 170 At/m, mean length of 0.16 m and 0. 002 square meters cross-sectional area. the value of current to develop a 0.0004 Wb isQuestion: 01 A two-legged core is shown in figure below. The winding on the left leg of the core (N) has 800 turns. The depth of the core is 15 cm. The small airgap is 0.05 cm and there is no fringing effect. If the dimensions are as shown, then determine the total reluctance of the given core when u, =800 and constant. 15cm 25cm 10cm 10cm 50cm N=800 5cmN=15 windings are wound on a square-section iron core with a square outer appearance. If the dimensions are w=2 cm, L1=8 cm and the magnetic permeability of the core is 0.004 H/m, how many micro Henrys is the inductance of the coil? a) 1500 b) none c) 500 d) 0.5 e) 5000