What is MMF? O Magnetic Machine Force O Magnetomotive Force O Magnetic Motion Force O Magnetomotion Force
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- The negative field intensity required to force the residual magnetism is known as. O Magnetic field density O Coercive force O Magnetomotive force None of optionThe 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 1.75A.The core is square in section with sides of 20mm.Take the relative permeability of soft iron as 1100. Determine the magnetomotive force in the core. Determine the field strength. Determine the flux density. Determine the total flux.A magnetic circuit has a length of 100 cm and cross-sectional area of 5 square cm. The total flux is 10 x 10 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
- The flux linking to 200 turns coil changes from 2 mWb to 5 mWb in 1ms to 3 ms. Determine the induced voltage.* 300 V 400 V 500 V 600 V What is the magnetomotive force created when 5 A current flows through 300 turns coil? * 1000 At 2000 At 1200 At 1500 AtA magnetic ring has reluctance of 1.675 × 10⁰ AT weber. The flux to be produced by the coil is 800 x 10 webers, then the AT required for the m.m.f. will beDescribe in detail the " Magnetic Hysteresis of Ferromagnetic Materials"
- (3.4)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 20 mm. Take the relative permeability of soft iron as 1100. 3.4.1) Determine the magnetomotive force in the core 3.4.2)Determine the field strength 3.4.3) Determine the total fluxThe 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 fluxThe reluctance of a non-magnetic path is 12 AT-Wb. Find the flux needed to be set up if surrounded by a coil 600 turns carrying a current of 3 A.
- The total conductor in the grooves of the DA in the figure is 1440 conductors, the length of the armature is 30 cm.The magnetic flux of a pole is 0.8 tesla and the armature rotates at 4 m / s. Find the voltage value produced by the armature according to the position in the figure.The negative field intensity required to force the residual magnetism is known as Magnetic field intensity Magnetomotive force Magnetic field density Coercive forceA dc machine has 4-pole, wave wound armature with 46 slots and 16 conductors per slot. If induced voltage in the armature is 480 V at 1,200 rpm, determine the flux per pole