Find the pull exerted on the plunger of an electromagnet when the total flux is 381 uWb. The diameter of the plunger is 2.54 cm. draw the diagram. Thanks
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- Problem 1A core with a coil has 240 turns, to generate a flux ø of 0.008482 weber, how much should the current i1 be and what will its direction be? Relative permeabilities: metal 1 of 250 and metal 2 of 375. Core depth 25cmFind the pull exerted on the plunger of an electromagnet when the total flux is 300 uWb. The diameter of the plunger is 2 cm.A coil of 1000 turns is wound on a core. A current of 1A flowing through the coil creates a core flux of 1mwb. What is the energy stored in the magnetic field.
- The length of a magnetic circuit in a moving iron instrument is 300mm. The coil around the soft iron core has 360 turns and takes a current of 1.75 A. The core is square in section with sides of 20mm. Take the relative permeability of soft iron as 1100. Determine the total fluxshow thatvthis is a magnetic flux density: then prove and interpret it with reasons on each stepIn the given circuit, if number of turns of coil is 125 and current is 2A, relative permeability of the core is 765 and mean length of core is 0.2m and cross section area of 0.01m2 , then the flux generated in the core is Select one: O a. 1.24mWb HO b. None of these O c.0.124mWb O d. 1.24 Wb
- Calculate the MMF when the magnetic flux is 5Wb and the reluctance is 3A/Wb. a. 15AT O b. 10N C. 10AT O d. 15NA coll consist of 750 turns. A current of 10A in the coil gives a rise to a magnetic flux of 1200 Wb. Determine the inductance of the coilA magnetic circuit has a length of 100 cm and cross-sectional area of 5 square cm. The total flux is 10 x 104 webers. The coil has 100 turns and current of 4 amperes. What is the magnetic strength? a. 500 AT/m b. 400 AT/m c. 350 AT/m d. 450 AT/m
- Draw the electrical circuit analog for the magnetic circuit shown below. Pay special attention to the polarities of the voltage sources. Determine the flux density in the core. Cross Section = 3cm x 3cmPath length = 36 cmµr = 1000For the magnetic core of Figure, the flux density at cross section 1 is B1=0.4T. Determine B2 A₁ = 2 × 10-2 m² Ф Φ A₂ = 1 × 10-2 m²A rectangular coil of wire has a length of 3 cm and a width of 4 cm. It is in a 0.004 T magnetic field. What is the magnetic flux through the coil if the face of the coil is parallel to the B-field lines? What is the flux if the angle between the face of the coil and the magnetic field is 75°?