Q20 The statement is True or False? A current carrying conductor placed in a magnetic field experience a force, is it true for motor?
Q: :The magnetic flux density within a bar of some material is 0.630 tesla at an H field of 5×105 A/m .…
A: Magnetic permeability ;- Magnetic permeability, is define as a ratio of a magnetic flux density to…
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Q: A permanent magnet is a piece of magnetic material that has been magnetized and can hold its…
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Q: A mmf is supplied by a current of 1 A through 100 turns. The magnetic unit consists of a steel core…
A: Reluctance =length premeability×area And rotal reluctance is the sum of reluctance of air gap and…
Q: Q2 (a): What is magnetic phase transformation? Discus and plot the phase transition from para to…
A: (a) Magnetic phase transmission is a transformation of magnetic material from one type to another.…
Q: A 20 cm long conductor is moving upward between the poles of a magnet as shown below. The pole faces…
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Q: Discuss one (1) equipment or machine that applied magnetism concept in the operation
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Q: 4. If the current is passed through a conductor which of the following phenomenon will be observed?…
A: Note: We are authorized to answer the first question since the exact one wasn’t specified. Please…
Q: f the intensity of the magnetic field is 100T, the length of the conductor is 10m and the magnitude…
A: Given: Intensity of magnetic field, B=100 T Length of the conductor, l=10 m The magnitude of force…
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Q: The computation for the magnetic force due to a current carrying conductor requires the following…
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Q: horse shoe magnet has two poles, each of area 5 cm2. Find the pull between the poles and the keeper…
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Q: The magnetic circuit shown in Figure has an mmf of 500 A. Part 1 is cast-steel with 1₁ = 330 mm and…
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Q: Answer the following questions using formulas, figures, and diagrams. (a) What is coenergy in…
A: a) Coenergy is a energy which to use for theoretical analysis of energy storing and energy…
Q: How you can find the magnetic field of portion of a wire with the help of Biot & Savart law. ?
A: According to the this law if you want to find the field due to a finite wire which carries current…
Q: (a) Draw the magnetic field created when current, I flows through: - (i) a straight wire conductor.…
A: Note: As per our company guidelines. We are supposed to answer ?️only the first 3️⃣ sub-parts.…
Q: A magnetic pole face has a rectangular section having dimensions 200 mm by 100 mm. If the total flux…
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Q: What is the basic principle of an electric motor and generator?
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Q: What will be the Magnetic field value at the center of a current-carrying coil?
A: The solution is given below
Q: Required mathematical expression of the relationship between magnetic flux density and magnetic…
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Q: True False -The generation of electricity achieved by moving a conductor in a magnetic field due to…
A: when an conductor moves in a magnetic field it produces EMF.
Q: Question 1: Flux, Reluctance, R If the total core length is 50x102 m, the cross-section area is…
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Q: 5) the relationship between the magnetic flux linkage A and the current i of an electromognetic…
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Q: A coil has 200 At with a flux of 25 µWb in the iron (a) Calculate the reluctance. If the reluctance…
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Q: Whenever a conductor is placed in a magnetic field it experiences a force, this is related to motor.…
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Q: In the following figure a wire loop with a current I, that is near a long straight current carrying…
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Q: Q2-Consider a filamentary wire is bent to form a square loop of side 3 m lying in the x-y plane as…
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Q: when a conductor is moved in a magnetic field current is induced in it, is it true for motors?…
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Q: Question#4 Answer the following a. How does the relative permeability of a ferromagnetic material…
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Q: The working principle of ___ is based on the current-carrying conductor that experience a force when…
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Q: A 0.0057-m conductor, carrying 22-A of current is placed between the pole face of a magnet with…
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Q: 2. To induce a voltage in a loop of wire, what must be present? A magnetic force, a ladder, and a…
A: Option: 4 is correct answer
Q: Which of the following is the analogous of current in an electrical circuit when it is compared to a…
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Q: Electric flux that streams away symmetrically from a point charge and is coincident with the…
A: Electric flux that streams away symmetrically from a point charge and is coincident with the…
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Q: QI. Answer both of the following (5marks) I. Answer by (True) or (False) all of the following…
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Q: Question 4b Magnetic fields are characterized by the existence of a detectable magnetic force at…
A: According to the question, we need to discuss one of the industrial applications of the magnet.
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- A current carrying conductor placed in a magnetic field experience a force, is it true for motor? Select one: O True O Fals?magnet D. All of these 4. Which of the statements is true when there is change in magnetic field in a closed loop of wire. A. There is no current induced in the wire C. Electromotive force is induced in the wire B. The induced current is free to move in any direction of the wire D. All of these 5. Which of the following is NOT a way a magnetic field can be varied to induce a current in a wire? A. Rotate the coil inside the magnetic field B. Move the coil in and out the magnetic field C. Change the strength of the magnetic field D. Move the coil out of the magnetic field 6. What are the two main applications for AC?How can the polarity of an electromagnet be determined if the direction of current flow is known? 2. Define the following terms: 3. flux density 4. Permeability 5. Reluctance 6. Saturation Unit 13 Magnetic Induction 7. Name three factors that determine the amount of induced voltage in a coil. 8. What is the effect on induced voltage of adding more turns of wire to a coil? 9. Into how many time constants is an exponential curve divided? 10. Each time constant of an exponential curve is equal to what percentage of the maximum amount of charge? 11. An inductor has an inductance of 0.025 H and a wire resistance of 3 . How long will it take the current to reach its full Ohm's law value? Unit 15 Alternating Current . 12 What is the most common type of AC waveform? 13 How many degrees are there in one complete sine wave? 14 At what angle does the voltage reach its maximum negative value on a sine wave? 15 A sine wave…
- QUESTION FIVE Figure 5 shows the cross section of Direct Current, mostly referred to as DC Machine. 1 2 NBA D 7 N S 3 5 8 Frame Figure 2 Cross Section of a DC machine Label All the numbered parts and define one of their respective function in the format as illustrated: Label 8: Frame Function: It completes a path of minimal reluctance to the magnetic field.What is magnetism?3) Derive the total reluctance of the magnetic circuit shown in the Figure. Core permeability Me Radius r Armature permeability A L R Central flux path d Air gap
- Magnets are surrounded with lines of force emitted from the north pole that are called flux. A. True B. False The law of magnetism states that like magnetic poles repel and unlike magnetic poles attracts. A. True B. False1. A type material that is not affected by magnetic field. 2. If the number of turns is doubled, what will happen to the inductance? 3. It provides magnetic pressure which sets up or tends to setup flux in a magnetic.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.
- Answer the following questions using formulas, figures, and diagrams.(a) What is coenergy in magnetic circuits?(b) How to calculate iron losses using BH curve in magnetic circuits?By changing the number of turns/ windings. Does the most effective electromagnet have more or fewer winds? TOPIC: MAGNETISMWhich of the following is the analogous of current in an electrical circuit when it is compared to a magnetic circuit? Reluctance Magnetomotive force Magnetic flux Permeability