Explain why magnetic damping might not be effective on an object made of several thin conducting layers separated by insulation.
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Explain why magnetic damping might not be effective on an object made of several thin conducting layers separated by insulation.
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- 4. A copper rod(1.6 m) sits along conducting rails, the friction can be neglected. The rails are in series with a 4.00-2 resistor. A constant magnetic field of 2.20 T is pointing perpendicular out through the loop. 4.00 1.60 m Fapplied Ω Magnetic field is outward (•) (a) What force is required to move the bar to the right with a speed of 5.00 m/s? (b) At what rate is energy dissipated in the 4.00 Q resistor? wwwA brushless DC motor does not have a commutator. Explain why.2. Suppose that a rectangular toroid has 2000 windings, h = 1 cm, an inner radius of R1 = 4 cm, and an outer radius of R2 = 6 cm. What is the current flowing through the toroid when the energy in its magnetic field is 2.0 x 10-6 J?
- Sign in to O X Interval Spo X O Apr. 9: Fara X O Faraday.pdf x Faraday.pdf x HW 19 in mechanical X M (no subject) x PDF File | C:/Users/Colin/Downloads/Faraday.pdf 2) A rectangular coil with resistance R has N turns (loops), each of length e and width w as shown in the figure. The coil moves into a uniform magnetic field B with constant velocity v. Find the magnitude and direction of the total magnetic force on the coil (a) as it enters the magnetic field (i.e. partially immersed), and (b) as it moves (totally immersed) within the magnetic field. B. Pexternal 8:08 AM O Type here to search 62% hulu 4/9/2021 7.Please answer the question in the picture belowEM Induction Item 4
- Physics 2 1. Consider a long solenoid with radius 1.2cm. A varying current runs through the solenoid to produce the following magnetic field as a function of time. 0.3 0.2 0.1 -0.1 10 15 25 -0.2 -0.3 time (sec) (Toward the top of the screen is assumed to be the positive direction.) A wire loop is place around the solenoid, somewhere near its middle. The loop has a radius of 3.4cm and a resistance of 6.3x10-30. What is the current in the loop as a function of time? Provide a graph of the current vs time for the loop. | 000000 - |000000 lo0000 -1000000 fime 10 13 20 field (T) 20 currentAn experimental apparatus has two parallel horizontal metal rails separated by 1.0 m. A 5.0-Ω resistor is connected from the left end of one rail to the left end of the other. A metal axle with metal wheels is pulled toward the right along the rails at a speed of 35 m/s. Earth's uniform 5.0×10^−5 T field B→ points down at an angle of 53∘ below the horizontal. A) Determine the average induced emf. (Ein) B) Determine the induced current. (Iin) C) Determine the power dissipated through the resistor. (PR)In which situation is there no end induced in a particular coil A Changing the magnetic field applied on the coil B moving the coil itself through a magnetic field C Suspending the coil within the magnetic field D Moving the magnetic field around the coil