Permanent magnets are magnets
Q: Consider a signal y[n] which is related to two signals r1[n] and x2[n] by y[n] = x1[n+3] * r2[-n+…
A: Consider a signal y[n] which is related to two signals x1[n] and x2[n] by y[n]=x1[n+3]*x2[-n+1] ,…
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Q: QUESTION 1 The switch in the circuit in figure below has been closed for a long time. At t = 0, the…
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A: Consider a bandpass filter to be implemented by a series RLC circuit where the lower (fc1) and upper…
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Q: Q.2: Based on Figure Q.2, using basic electrical laws, calculate the value for: i) voltage V1, ii)…
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Q: 4) In the circuit below, v(0) = 20 V. Find v (t) for t> 0. (20e"2V) ww- 82 82 0.25 F ww- ww
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A: It is given that: V=1.50 Vr=0.5m Copper resistivity: ρ=1.80x10-8 Ω-m Copper density: D=8.96x103…
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A: For the given circuit below switch in position a for a long time. At t=4 s it is moved to point b.…
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Q: Explain this diagram
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Q: S+1 a) Calculate the system response for G(s)= S² +S- 6
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Q: Given the transistor circuit with beta as 100. Answer the following items below. 1. Collector…
A: In this question, We need to determine the 1. Collector Current at saturation 2. VCE at cut-off 3.…
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A: Given, Voltage, V=100 si 100t volt Current, I=100 sin 100t+π6 A
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A: The given circuit is as shown below,
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A: It is given that: P=1000 kVA Vt=3000 V Ra=0.2 ohm IF=40 A Isc=200 A
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A: Since you have asked multiple questions, we will solve the VIII question for you. If you want any…
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- What is magnetism?4: Write the symbol and define each of the following terms related to the permanent magnet circuit design theory. 1- Magnetic Leakage Permeance. 2- Relative recoil permeability. 3- Flux concentration factor. 4-permeance coefficient:The magnetic flux density within a bar of some material is 0.630 tesla at an H field of 5×105A/m . Compute the following for this material: (a) the magnetic permeability, and (b) the magnetic susceptibility. (c) What type(s) of magnetism would you suggest is(are) being displayed by this material ? Why ?
- 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.Find magnetic field.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?
- Explain the working principle of permanent magnetic D.C. motors (Electrical energy into mechanical energy) with the graphic illustration.The permanent magnetic magnetic field due to a hard magnet such as ferromagnetic iron is due to the alignment of the__________ . a. protons in the atomic nucleii of the atoms. b. magnetic domains c. metal atoms d. metallic bonds between the atoms e. neutrons in the atomic nucleii of the metalQuestion (1). The current in a conductor on the armature of a dc motor is 300A. The flux under the poles is 850μWb. The area per pole is 700 mm2. The length of the conductor on the armature is 640mm. Calculate the force exerted on the conductor. Question 3.4 (3.4)The length of a magnetic circuit in a moving iron instrument is 300mm. The coil around the soft-iron core has 360 turns and takes a current of 1.75 A. The core is square in section with sides of 20 mm. Take the relative permeability of soft iron as 1100. 3.4.1) Determine the magnetomotive force in the core 3.4.2)Determine the field strength 3.4.3) Determine the total flux
- .________ is a term used to describe a material's ability to retain magnetism. a) Coercive force b) Retentivity c) either "a" or "b" d) neither "a" nor "b" A coercive force is desirable in materials that is intended to be used as temporary magnets. a) low b) high c) extremely high d) any of the above A) Upon what does the electroniagnetic strength of an air-cored coil depend? a) number of turns in the coil b) amount of current flowing through the coil c) both "a" and "b" d) neither "a" nor "b" B) Upon what does the electromagnetic strength of an iron-cored coil depend? a) amount of current flow b) number of turns c) permeability of the core d) all of the above The left hand rule for a coil is such that if you were to hold a coil in your left hand with your fingers pointing in the direction of electron flow, your thumb would point in the direction of the a) electron flow b) lines of flux c) north pole face d) none of the aboveMagnets and Magnetic CircuitApply the concepts of magnetostatics to compute magnetic field intensity of a long, straight wire carrying a correct of 10 A at a distance of 5 meter meter from it.
