Maximum torque is realized when an armature winding is with the magnetic field at 90° O inline or at 0° O at 45° O turning

Q: Magnetic field force lines created by the primary coil in transformers pass through the secondary…

A: A primary voltage produces an alternating current through the primary coil. Due to this primary coil…

Q: An ideal dc generator has regulation of 40% O 20% 30% O Zero

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Q: The speed of a dc motor is directly proportional to the flux inversely proportional to applied…

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Q: To change the direction of rotation of a series wound DC generator the general rule is to

A: To change the direction of rotation of a series wound DC generator  Note: we always change the…

Q: For the ferromagnetic core shown in the gure below draw the magnetic circut for the core. The…

A: Note: Flux in the series circuit remain same Flux in parallel circuit changes based on reluctance…

Q: In DC generators, lap winding is suitable for ) high voltage, high current low voltage, high current…

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Q: In DC generators brushes are used for O Collecting Current O Collecting eddy current loss O reduce…

A: DC machines (Generator/ Motor) are the important parts of electrical drives. These machines are used…

Q: in lab winding schemes, The-2 induced emf in a coil is emf in .coil for wave winding a) greater than…

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Q: D.C shunt generators are most suitable for arc winding

A: The most suitable DC genrator for arc welding is Differential compund genrator.

Q: The path of a magnetic flux in a transformer should have

A: In the transformer windings are magnetically couples and core provides path for magnetic flux.…

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: The generated emf

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Q: For dc machines, the series field windings have many turns of fine wire true False

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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: A permanent magnet dc motor has rotor radius of 1.3cm,magnetic thickness of 0.25cm and gap length of…

A: A magnetic equivalent circuit has air gap length=2g The flux path increase with increasing…

Q: What is the difference between wound rotor induction machines and squirrel cage machines

A: The wound rotor (also called as slip ring) and squirrel cage machines are the type of rotor in…

Q: The compensating winding is connected in ) parallel with main poles series with main poles parallel…

A: The explanation is as follows.

Q: A magnetic ring has reluctance of 1.675 x 106 AT weber. The flux to be produced by the coil is 800 x…

A: Given a magnetic ring has, Reluctance = 1.675×106 ATweber Flux = 800×10-6 weber.

Q: If residual magnetism of a shunt generator is destroyed due to any reason, it may be restored by…

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Q: Question: 01 A three-legged circular core is shown in figure below. The winding on the left leg of…

A: To determine the total area of the three-legged circular core shown in figure. Now, the Area of leg…

Q: amature windings commonly used in DC machines a DC shunt generator are wound with a large numbe C…

A: 3. In Dc generator brushes are used to convertalterating current (ac) which is armature wlndingsto…

Q: The magnetic moment for the circular loop with side a and current I is a. zero O b. ma2 | OC. 2π al…

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Q: In a 2 pole wave wound DC Machine has 620 conductors, the number of parallel paths is

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Q: The iron core in a transformer has the purpose of O decreasing the reluctance of the magnetic path…

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Q: imary winding is connected o be applied at normal freq rough it when the secondary conner loss

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Q: Full scale deflecting torque of 10 A MI Ammeter is 5 x 10- N-m. The rate of change of self…

A: Given values are - CurrentI=10ATorqueT=5×10-5N-m

Q: Is this armature winding a progressive or a retro-progressive winding? B 2 3. N b S х у a Select…

A: In this armature winding, both progressive and retro-progressive winding is present,  The two ends…

Q: The magnetic flux through each turns off a 100-turn coil is (³-2) milli-webers where it is in…

A: Given, The magnetic flux, φ=t3-2t mWb. Number of turns, N=100 turns. Time. t = 2 seconds.

Q: A 6 pole DC wave wound generator has 39 armature conductors with flux per pole is 4.2 mWb and the…

A: Given data, P=6A=2 (wave wound)Z=39ϕ=4.2 mWbE=2.6 V

Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.