A 230V series motor with 4-pole, 600 conductors wave-connected supplying a load of 7.5kW by taking 30A from the motors. Calculate the developed torque if the flux per pole is 15mWb and its armature circuit resistance is 0.5Ω

Q: A coil that con sists of 450 windings is wound around a bakelite rin g. The mean diameter of the…

A: We are authorized to answer only 1 question at a time since you have not mentioned which question…

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: For the electromagnet of Figure-a. Find the flux density in the core.b. Sketch the magnetic flux…

A: The magnetic flux density (B) is the ratio of magnetic flux (∅) to area of cross section (A) and…

Q: False True Q1 In closed series magnetic circuit, the flux concentration in these parts will be low…

A: For part 1 question, In a closed series magnetic circuit, the flux concentration in these parts will…

Q: The flux linking to 200 turns coil changes from 2 mWb to 5 mWb in 1ms to 3 ms. Determine the induced…

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Q: * Magnetic flux of D=0.0033 Wb induces 216 V in the phase of an induction motor stator winding with…

A: In this question we will find no of turns in winding....

Q: The emf generated by a dc generator depends upon the flux only. Select one: O True False

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Q: flux of 0.5 Weber flows through a core with a total reluctance of 60,000 ampere-turns/Weber. How…

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Q: A coil of wire with an average length of 20 cm moves through a magnetic field. The flux is cut with…

A: The solution is given below

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Q: 4-Is the residual magnetism on the generator is necessary how can you cancel these residual…

A: The residual magnetism in the generator is necessary because it helps in the voltage build-up of the…

Q: A coil of 15000 turns is wound on a core. A current of 2.7 A flowing through the coil creates a core…

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Q: A 6 pole DC wave wound generator has 28 armature conductors with flux per pole is 23 mWb and the…

A: First option is correct. The explanation is provided below.

Q: When one coil of magnetically coupled pair has a current of 5 amperes, the resulting flux ,=0,4 mWb…

A: In this question we need to find a inductance of coil 1.

Q: In a DC machine, the reversal of currentrom one direction to opposite direction is done by O…

A: In this we will write about reversal of current in dc machine....

Q: HWA long solenoid that has 1000 furns uniformity distributed over a length of 0.4m produces a…

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Q: A 6 pole DC wave wound generator has 34 armature conductors with flux per pole is 29 m speed of the…

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Q: In the magnetic circuit in the figure, the relative with a magnetic permeability of 2000 the…

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Q: A two-legged core is shown in figure below. The winding on the left leg of the core (N) has 800…

A: We have given the following problem A two legged core is shown below the winding on the left leg of…

Q: A 6 pole DC wave wound generator has 28 armature conductors with flux per pole is 25 mWb and the…

A: Let N is be the speed in rpm EMF induced = flux×speed N ×no. of conductors60×no.of polesno.of…

Q: Exercise The armature of a 8-pole, 400 r/min generator, has 80 slots. Each coil has 6 turns and the…

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Q: In a certain magnetic circuit, the core is represented two reluctances as shown below. Assume a…

A: In this question, we need to determine the current in the circuit to produce the given flux. We…

Q: u, = 2500, and aܕ ln a certain magnetic circuit, the core is represented two reluctances as shown…

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Q: A 6 pole DC wave wound generator has 22 armature conductors with flux per pole is 22 mWb and the…

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Q: The reluctance is -proportional to flux

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Q: The magnetic structure in the figure below is made of silicon steel. Determine the values of IB…

A: Note: Relative permeability (μr) for silicon steel is not given . We assume μr = 2000     Given NB=…

Q: 4. A d.c. generator running at 25 rev/s generates an e.m.f. of 150 V. Determine the percentage…

A: It is given that:

Q: The flux per pole of a two-pole generator is 7.5x10^-5 wb. A coil of 600 turns rotates in this…

A: Given Data:-ϕ=7.5×10-5 wbZ=600 turnstime take from maximum  to one minimum =0.0187 sec

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

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Q: 3- A magnetic core with an air gap is shown in below Figure. The depth of the core is 3 cm, the…

A: Reluctance Reluctance is a property of magnetic material which opposes the flux in the magnetic…

Q: For the following magnetic circuit, the flux density is 1 T and magnetic field intensity is 700…

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Q: A DC generator has eight poles, wound as lap then rewound as a wave, calculate the electrical motive…

A: In this question,  DC Generator ,  Number of pole P= 8,   Number of conductors Z= 240 Flux = 0.04wb…

Q: A simple generator has a square armature 9.0 cm on a side. The armature has 80 turns of…

A: In the circuit, Find the value of frequency f. We know  Emf = 4.44fN Φm .  All parameters are given.

Q: In induction type energy meter, load current I produces an alternating flux f1. In this case l, is…

A: Current and flux are in phase .here pase difference is zero degrees

Q: electromotive force created by a direct current generator is proportional to Flux/pole…

A: We need to tell about generated emf . We know direct formula for emf .

Q: Plot the direction of flux at the main poles. b. Draw the current direction at the main poles. c.…

A: Note: As per our policy, I have attempted the first three subquestions. (a) The direction of flux in…

Q: Consider the magnetic circuit in Figure. Assuming that the core µ= 1000µo has a uniform cross…

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Q: Question 7 An air gap is usually inserted in magnetic circuits to Increase the flux None of these…

A: In electric circuit current flows in closed path. In magnetic  circuit flux flows in closed path.…

Q: I= 1 A Find the total flux Show as the equivalent magnetic cct Permeability is 1500 Find the total…

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Q: Probl The rectangular coil in the figure below is in a field B = 0.01a,T. a. Find the torque about…

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Motor Load, Torque, and Power Quality Requirement

An electric motor is a gadget that changes electrical energy into mechanical energy over to follow up on a mechanical burden. The weight set on the motor because of this mechanical movement is known as motor load. Appropriately matching the motor burden to the engine is vital to forestall harm to the engine or wasteful and unnecessary expensive activity. Engines perform such undertakings as moving a thing starting with one spot then onto the next, cutting it, changing its shape, etc. The motors might be evaluated as far as a few variables including power yield, voltage, current, and temperature. Harm to an engine might happen when it is worked under over the top engine load contrasted with its appraised limit.