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The relationship between flux-linkage and current for a magnetic electromechanical device 1s log(1 + βί). λ = Determine an expression for electromagnetic force for this device The relationship b...
Q1 9 Fig.1 Cross sectional area of the core is 5 cm2. N-100, i) Draw flux linkage current characteristics of the device shown in Fig. 1 for g- 3 mm and lmm ii) What is the energy stored in this c...
Q1 9 Fig.1 Cross sectional area of the core is 5 cm2. N-100, i) Draw flux linkage current characteristics of the device shown in Fig. 1 for g- 3 mm and lmm ii) What is the energy stored in this core for i 10 A iii) What is the coenergy stored for 1-10 A iii) Derive an expression for the inductance of the coil. v) What is the inductance of the coil? vi) Calculate the average force on the armature...
electromagnetic 14) Force between current-carrying wires: (10 pts) (a) Derive an expression for the magnitude of...
electromagnetic
14) Force between current-carrying wires: (10 pts) (a) Derive an expression for the magnitude of the force between two current-carrying wires of length 1 that are separated by a fixed distance d. d 1 (b) If the currents are parallel to each other, is the force between the wires attractive or repulsive? Use the various right-hand rules to justify your answer.
Equipment: 1 current-carrying wire set-up power supply 1 ammeter Investigation 3: Relationship between force and angle...
Equipment: 1 current-carrying wire set-up power supply 1 ammeter Investigation 3: Relationship between force and angle between the current through a current-carrying wire and the magnetic field In this section we will explore the relationship between the force on a current-carrying wire and the angle between the current and the magnetic field. a. Predict the dependence of the force on the angle between the current and the magnetic field. If you were to plot the force vs. current on linear...
Explain the difference between transformer electromotive force and motional electromotive force in electromagnetic. Write down the...
Explain the difference between transformer electromotive force
and motional
electromotive force in electromagnetic. Write down the integral
equation for both
quantities.
QUESTION 3 (a) Explain the difference between transformer electromotive force and motional electromotive force in electromagnetic. Write down the integral equation for both quantities. [4 marks] (b) A circular plate with radius, a meter at x-y plane rotates in an anti-clockwise direction with a uniform angular velocity, o meter/second along the z-axis. The plate is placed in a uniform...
An infinitely long, straight conductor with a circular cross-section of radius b carries a steady current I. (a) Determine the magnetic flux density (B) both inside and outside the conductor. (b) Det...
An infinitely long, straight conductor with a circular cross-section of radius b carries a steady current I. (a) Determine the magnetic flux density (B) both inside and outside the conductor. (b) Determine the vector magnetic potential (A) both inside and outside the conductor from the relationship B V x A
An infinitely long, straight conductor with a circular cross-section of radius b carries a steady current I. (a) Determine the magnetic flux density (B) both inside and outside the conductor....
Q1. In the following magnetic circuit, the flux density in leg#1 shown in the figure is...
Q1. In the following magnetic circuit, the flux density in leg#1 shown in the figure is 1.2 (T). The relationship between the flux density and the field intensity is also given for the core: B- denth is the same for all parts of the core. 2H 1000+H-Determine the current of winding#2 (12). All dimensions are in cm and the core 2cm 2A NI-50 100-N2 7cm 4cm 2. 1em 8cm 3cm
A21921 Section B 4. (a) Sketch the lines of magnetic flux B inside and outside a long, curent- carrying solenoid, labelling a clearly the direction of B relative to the direction of current flow....
A21921 Section B 4. (a) Sketch the lines of magnetic flux B inside and outside a long, curent- carrying solenoid, labelling a clearly the direction of B relative to the direction of current flow. all of the important tures, and indicating Stating any approximations that you make, show that the axial magnetic [5 fux density, B, deep inside a long solenoid of length 1, total number of turns N, carrying a current 1, is approximately Two solenoids are arranged as...
B.1. Figure B.1 shows a magnetic circuit whose parameters are specified in the table below. For a coil of 800 turns carrying 1.5 amp, determine the flux densities in each material, the inductance of...
B.1. Figure B.1 shows a magnetic circuit whose parameters are specified in the table below. For a coil of 800 turns carrying 1.5 amp, determine the flux densities in each material, the inductance of the coil, the energy storage of the circuit, and the force between the faces of the air gap. Leakage flux and fringing at the air gap will be neglected Material Length Area 15.24 cm 3.23 cm2 300 15.24 cm 3.23 cm2 500 50.8 cm6.45 cm2 1000...
4. The expression for the magnetic field everywhere on the axis of a current loop which...
4. The expression for the magnetic field everywhere on the axis of a current loop which is located A Helmholr coil is comprised of two identical coils NIR at xo is B(x)- separated by the distance R, with each coil located at a distance xo +R/2 away from the origin (R is the radius of the coils), and where the current runs counterclockwise in both when viewed from the <+x-axis back towards the origin. A Helmholtz coi is a useful...
1) In a simple device for measuring the magnitude B of a magnetic field, a conducting...
1) In a simple device for measuring the magnitude B of a
magnetic field, a conducting rod (length d = 1.5 m , mass m = 110 g
) hangs from a friction-free pivot and is oriented so that its axis
of rotation is aligned with the direction of the magnetic field to
be measured. Thin flexible wires (which exert negligible force on
the rod) carry a current I = 10 A , which causes the rod to deflect
an...
Q1 9 Fig.1 Cross sectional area of the core is 5 cm2. N-100, i) Draw flux linkage current characteristics of the device shown in Fig. 1 for g- 3 mm and lmm ii) What is the energy stored in this core for i 10 A iii) What is the coenergy stored for 1-10 A iii) Derive an expression for the inductance of the coil. v) What is the inductance of the coil? vi) Calculate the average force on the armature...
electromagnetic
14) Force between current-carrying wires: (10 pts) (a) Derive an expression for the magnitude of the force between two current-carrying wires of length 1 that are separated by a fixed distance d. d 1 (b) If the currents are parallel to each other, is the force between the wires attractive or repulsive? Use the various right-hand rules to justify your answer.
Equipment: 1 current-carrying wire set-up power supply 1 ammeter Investigation 3: Relationship between force and angle between the current through a current-carrying wire and the magnetic field In this section we will explore the relationship between the force on a current-carrying wire and the angle between the current and the magnetic field. a. Predict the dependence of the force on the angle between the current and the magnetic field. If you were to plot the force vs. current on linear...
Explain the difference between transformer electromotive force
and motional
electromotive force in electromagnetic. Write down the integral
equation for both
quantities.
QUESTION 3 (a) Explain the difference between transformer electromotive force and motional electromotive force in electromagnetic. Write down the integral equation for both quantities. [4 marks] (b) A circular plate with radius, a meter at x-y plane rotates in an anti-clockwise direction with a uniform angular velocity, o meter/second along the z-axis. The plate is placed in a uniform...
An infinitely long, straight conductor with a circular cross-section of radius b carries a steady current I. (a) Determine the magnetic flux density (B) both inside and outside the conductor. (b) Determine the vector magnetic potential (A) both inside and outside the conductor from the relationship B V x A
An infinitely long, straight conductor with a circular cross-section of radius b carries a steady current I. (a) Determine the magnetic flux density (B) both inside and outside the conductor....
Q1. In the following magnetic circuit, the flux density in leg#1 shown in the figure is 1.2 (T). The relationship between the flux density and the field intensity is also given for the core: B- denth is the same for all parts of the core. 2H 1000+H-Determine the current of winding#2 (12). All dimensions are in cm and the core 2cm 2A NI-50 100-N2 7cm 4cm 2. 1em 8cm 3cm
A21921 Section B 4. (a) Sketch the lines of magnetic flux B inside and outside a long, curent- carrying solenoid, labelling a clearly the direction of B relative to the direction of current flow. all of the important tures, and indicating Stating any approximations that you make, show that the axial magnetic [5 fux density, B, deep inside a long solenoid of length 1, total number of turns N, carrying a current 1, is approximately Two solenoids are arranged as...
B.1. Figure B.1 shows a magnetic circuit whose parameters are specified in the table below. For a coil of 800 turns carrying 1.5 amp, determine the flux densities in each material, the inductance of the coil, the energy storage of the circuit, and the force between the faces of the air gap. Leakage flux and fringing at the air gap will be neglected Material Length Area 15.24 cm 3.23 cm2 300 15.24 cm 3.23 cm2 500 50.8 cm6.45 cm2 1000...
4. The expression for the magnetic field everywhere on the axis of a current loop which is located A Helmholr coil is comprised of two identical coils NIR at xo is B(x)- separated by the distance R, with each coil located at a distance xo +R/2 away from the origin (R is the radius of the coils), and where the current runs counterclockwise in both when viewed from the <+x-axis back towards the origin. A Helmholtz coi is a useful...
1) In a simple device for measuring the magnitude B of a
magnetic field, a conducting rod (length d = 1.5 m , mass m = 110 g
) hangs from a friction-free pivot and is oriented so that its axis
of rotation is aligned with the direction of the magnetic field to
be measured. Thin flexible wires (which exert negligible force on
the rod) carry a current I = 10 A , which causes the rod to deflect
an...
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