An iron core has 250 times more flux density than air for the same field intensity. What is the value of its relative permeability?

Q: What will be the reluctance of a magnetic core if the mean path length for flux is 0.04 m and the…

A: We need to find out the reluctance for given details

Q: Determine the total flux

A: Given data l = 300 mm = 300 * 10-3 m N = 360 turns i = 1.75 A d = 20 mm μo = 1100

Q: A core with three legs is shown in the figure below. Its depth is 5 cm, and there are 400 turns on…

A: The given data's are, The number of turns N=400 turns, The depth of the core is d=5 cm, The flux…

Q: Problem 1 A core with a coil has 240 turns, to generate a flux ø of 0.008482 weber, how much should…

A: Here, we have given a core with a coil having 240 turns, the value of flux is given. And, we have to…

Q: 40 50 4.35 6.0 nd eddy current loss in W naximum flux density of

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Q: Consider an iron ring of 10 cmdiameter is uniformly wounded with 3000 turns of wire. The coil…

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Q: What would be the inducesd voltage for a conductor moving at a speed of 25 km/h and having a length…

A: Given data, Speed of conductor, v=25 km/h Length, L=1 m Magnetic flux density, B=0.6 T

Q: The permeability of the iron in a magnetic circult at a given flux density is 900. To double the…

A: Relation between the magnetizing force H , Flux density B and the permeability is given by the…

Q: For the following magnetic circuit, the flux passing through the core is 1.32 mWb, the cross section…

A: The force acting on a wire positioned at right angles to the magnetic field is known as the magnetic…

Q: The length of a magnetic circuit in a moving iron instrument is 300mm.The coil around the soft iron…

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Q: What will be the MMF required to produce a flux density of 0.88 T in an air gap of 8 mm?

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Q: A type material that is not affected by magnetic field. 2. If the number of turns is doubled, what…

A: Based on the magnetic properties the materis are classified in three catagories 1. Diamagnetic…

Q: A ferromagnetic core is shown in Figure Pl-2. The depth of the core is 5 cm. The other dimensions of…

A: As given in figure, there are three regions first: top and bottom region   l1 =2102+20+52 =55 cm…

Q: True or False: If the core material has a high reluctance, flux will flow freely in a magnetic…

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Q: Draw the electrical circuit analog for the magnetic circuit shown below.  Pay special attention to…

A: According to right hand thumb rule find the polarity of the mmf sources . Then find the analog…

Q: Problem 24. The eddy current loss in a magnetic material subjected to maximum flux density of 1.2…

A: Given- Eddy current loss, Pe1=1600 watts , Maximum flux density, Bmax1=1.2T , frequency, f1 = 50 Hz…

Q: Question 1 A ferromagnetic core is shown in Figure 1. The depth of the core is 5 cm. The other…

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Q: For the magnetic circuit N = 400 turns. Mean core length l = 50 cm. Cross-sectional area A = 15 cm?…

A: Given: N=400 turnslc=50 cmAc=15 cm2μr=3000i=1 A

Q: In the core of a long solenoid the magnetic flux density is 100 Tesla. The cross section of the…

A: Magnetic flux density (B) = 100 Tesla Diameter (d) = 10 cm

Q: The flux density at a distance of 0.1 m from a long straight wire, carrying a current of 200 A is?

A: Given: Distance from a long straight wire, d = 0.1 m. The wire carrying a current, I=200 A.

Q: show thatvthis is a magnetic flux density: then prove and interpret it with reasons on each step

A:

Q: Problem 3 A core with three legs is shown in the figure. Its depth is 5 cm, and there are 200 turns…

A: GIVEN: a circuit diagram             depth=5cm             in left most the number of turns=200…

Q: A magnetic circuit with a cross-sectional area of 20 cm? is to be operated at 50 Hz from a 120 V rms…

A: Given values are - AreaA=20cm2=20×10-4m2f=50HzVRMS=120VoltBm=1.8T

Q: QUESTION 3 4 In a ferromagnetic material, the relation between flux and flux density is O linear O…

A: In ferromagnetic material, the relation between flux and flux density φ=BAcosθ where, φ is flux B is…

Q: A magnetic ring has a mean circumference of 20 cm and a cross section of 20 cm² and has 800 numbers…

A: Given: Mean circumference, l = 20 cm. Cross section area, A = 20 cm2. Number of turns, N = 800.…

Q: In the magnetic circuit shown below, what is the flux density produced if the relative permeability…

A: A magnetic circuit- Number of turns N=100, Current I = 5 A, Relative permeability μr=1000,

Q: Example 1.2 An electromagnet has an air gap of 4 mm and flux density in the gap is 1-3 Wb/m2.…

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Q: n the figure is shown a current of 50 A in a wire 120 cm long and at an angle of 45° to a magnetic…

A: Fig: Given electromagnetic system Given that

Q: electromagnetic theory What is the unit of magnetic flux density?

A: Magnetic flux defined as the ratio of flux per unit area.

Q: The length of a magnetic circuit in a moving iron instrument is 300mm. The coil around the soft-iron…

A: Given data length of a magnetic circuit in a moving iron instrument l = 300mm = 0.3 m Turns = 360 I…

Q: A ferromagnetic core is shown below. The depth of the core is 5 cm. The other dimensions of the core…

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Q: Below you can find a ferromagnetic core and its magnetization curve. If i1=0.4 A and i2= 0.9A, find…

A: Given: In the given arrangement, two coils having N1=600 turns and N2=200 turns are wound on a core.…

Q: Explain why the proportional relationship between the magnetic field strength of an electromagnet…

A: The reason is very simple which is based on Faraday's law of induction

Synchronous Generator

In comparison to an asynchronous generator, it is a machine where the rotor speed is equal to the rotating magnetic field produced by the stator, i.e., mechanical speed is equal to the electrical speed, thus called synchronous, and not asynchronous.

Salient Pole Rotor

Salient pole rotor includes a large number of exposed poles mounted on a magnetic wheel. The construction of a bright pole is as shown in the image on the left. The proposed poles are made of metal laminations. The rotor winding is provided on these poles and is supported by pole shoes.