SOLVE AND SHOW YOUR COMPLETE SOLUTION. ANSWERS SHOULD BE IN TWO DECIMAL PLACES. The armature of a two-pole dc machine has 30 slots, each slot has 4 conductors each. during its operation, only 75% of the conductors are directly under the pole. each pole measures 2 inches by 3 inches and produces ten million maxwells of flux. the armature core is 12 inches in length and 3.5 inches in diameter. the total resistance of the winding is 2 ohms.   d) determine the total force tending to rotate the armature core in lbs, if the winding is simplex lap connected.

Q: For the magnetic circuit shown in the figure, the iron core with N = 500 turns -Magnetic…

A: According to question: The cross sectional area is calculated as ∵a=πD24⇒a=π1×10-224⇒a=7.854×10-5m2…

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: The "Ohm's law" for the magnetic circuit states that the net magnetomotive force (mmf) equals the…

A: According to the equation of the Ohm’s law for the magnetic circuit:

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: SOLVE AND SHOW YOUR COMPLETE SOLUTION. ANSWERS SHOULD BE IN TWO DECIMAL PLACES. The armature of a…

A:

Q: A single-phase 111-V, 50-Hz supply is connected to a coil with 200 turns of a coil-core assembly as…

A: Given- Single-phase 111-V, 50-Hz supply, E=111 V, Frequency f=50 Hz, Number of turns N=200, To Find-…

Q: Iron losses in a DC machine are independent of variations in

A: The explanation is as follows.

Q: The interpoles in DC machines are: O a. Used to maintain constant magnetic flux O b. Used to…

A:

Q: The induced electromotive force of a loop is 3.5 V and if the current is changed from 12 A to 13.5 A…

A:

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

A:

Q: For the figure shown below, the permeability in the core is 4 x 10 Wb/A-tums-m. What is the value of…

A:

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

Q: A flat circular coil having 50 loops of wire on in has a diameter of 48 cm. What current must flow…

A: Given : A flat circular coil  No of loops , N = 50  Diameter of coil = 48 cm , Radius = 0.24 m Flux…

Q: 3. A group of electromagnets that create flux in a d-c generator (the field circuit) has an…

A:

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

A:

Q: The generated emf

A:

Q: fill inthe blank : field winding has large numberofturns of thin copper wire.                  a.…

A: Correct option is Shunt. shunt field winding has large number of turns of thin copper wire.  Where…

Q: Calculate magnetomotive force for the core.

A: The MMF is defined as the force required to drive the magnetic flux in the magnetic circuit. The MMF…

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

A: The magnetic circuit diagram is shown below, Number of turns, N=640 turns.Current, I=2.2 A.

Q: The voltage induced in 8 poles lamp wound generator is 120 V with armature resistance = 0.3 2. What…

A:

Q: The full-scale deflecting torque of a 20 A moving-iron ammeter is 6 x 10¹5 N-m. What is the rate of…

A: Given- The full-scale deflecting torque, τ=6×10-5 N-m Current, I=20 A.   To find- The rate of change…

Q: Find whether the given statements are true or false, and do justify the following statementThe…

A: According to the question, we need to find whether the given statement is true or false."The…

Q: A dc machine has hysteresis loss of 300 W and an eddy current loss of 200 W when running at 1200…

A: Hysteresis loss Wh=300 W eddy current loss We=200 W The speed is N=1200 rpm Total core loss…

Q: Q9 / What are the function of brushes , pole and commutator in DC machine

A:

Q: What is the benefit of electrical transformers if there is a load and if there is no load?

A: Transformer: Transformer is a static electrical device which is used to transfer the power from one…

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: The reluctance of a non-magnetic circuit is 14 units. How much flux will be set up if surrounded by…

A: In this question, The reluctance of a non-magnetic circuit is 14 units. How much flux will be set…

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: The voltage induced in 8 poles lamp wound generator is 120 V with armature resistance = 0.3 Q. What…

A:

Q: SOLVE AND SHOW YOUR COMPLETE SOLUTION. ANSWERS SHOULD BE IN TWO DECIMAL PLACES.  The armature of a…

A:

Q: An 8-pole DC machine has a simplex wave-wound armature containing 200 coils of 10 turns each. The…

A: First calculate resistance of each path and then find total armature resistance.  For wave wound no…

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: What is the commutation process?

A: commutation process is related with the DC machine .

Gear Motor

A gear motor is a combination of a gearbox and an electric motor. This combination of two systems is used for efficient usage of the motor. It makes a cost-effective solution for high torque, low-speed applications. These motors are used in our household as, garage door openers, alarm clocks. In commercial areas, hospital beds, cranes.