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Copper bar with radius R has off its axis a cylindrical cavity, as shown on the picture.
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- A2.1 mm -diameter copper wire carries a 39 Acurrent (uniform across its cross section). Determine the magnetic field at the surface of the wire. Determine the magnetic field inside the wire 0.50 mm below the surfaceThe normal to a certain 1.0 m2 area makes an angle of 60 degrees with a uniform magnetic field. The magnetic flux through this area is the same as the flux through a second area that is perpendicular to the field if the second area is: Can you include a diagram as well?A U-shaped conductor is locked in place while a vertically aligned, 3.0m-long cylindrical conductor slides across it to the left with a speed of 4.0m/s. The conductors maintain contact at all times forming a closed loop. An external magnetic field of 3.0T passes through the conductors as shown (in the image) A) At the moment the two conductors form a perfect square, what is the magnetic Flux passing between them? Is this Flux increasing or decreasing? B) What are the directions of the induced current and the induced magnetic field the conductors generate? Explain how you know your answers. C) If the flux through the loop drops to zero in 0.75 seconds. What is the EMF induced in the loop?
- Q. Consider the configuration shown on the right, the inner cylindrical conductor of radius 'a' surrounded by a cylindrical shell of inner radius 'b' and outer radius 'c'. The inner conductor and the outer shell each carry equal and opposite currents I. Where I is uniformly distributed through the conductors. a I a) Find the magnetic field intensity for r< a and aThe two insulated wires in the diagram above cross at a 30° angle but do not make electrical contact. Each wire carries 7.01 A current. Point 1 is 5.27 cm from the intersection and equally distant from both wires. What is the magnitude of the magnetic field (in T) at point 1?A long straight wire is fixed in space and has current I. Draw the wire vertically with the current flowing upward. A square wire loop with side length s and resistance R is in the plane of the page and has its closest side a distance x away from the wire. Find the magnetic flux through the square HINT: The B-field depends on distance from the wire so you will have to integrate. The loop is pushed with velocity v toward the Find the rate of change of magnetic flux. HINT: Don't forget the chain rule. If f(x(t)) is a function of x and x is a function of t, then df/dt = (df/dx)(dx/dt) Find the current induced in the square Which direction is the current flowing? Explain with Lenz's Law Find the net magnetic force on theAn infinitely long, straight, cylindrical wire of radius R has a uniform current density J = Jî in cylindrical coordinates. What is the magnitude of the magnetic field at some point inside the wire at a distance r; < R from the wire's central Cross-sectional view axis? Express your answer in terms of R, r;, µo, and J. J B = Side view Assuming J is positive, what is the direction of the magnetic field at some point inside the wire? O positive z-direction negative z-direction positive r-direction negative r-direction positive p-direction negative p-directionAnilA very long hollow cylindrical conductor has a current i flowing in it in the direction 2) out of the page. The current density is constant throughout the conductor. The inner radius of this conductor is R1 and the outer radius is R2. a) What is the current density inside the conductor? A Derive the magnetic field (magnitude and direction) R2 b) for radiusr> R2? c) for R1A conducting plate of thickness d carrying the current density of the field is placed in a region with an external magnetic field. Due to the influence of this conductor, the magnetic field in the chamber becomes separated by a magnitude of B₁ on the left side of the plate and B₂ on the other side. Determine the magnitude and direction of the plane current density carried by the plate for the two cases in the figure!only parts d and eA U-shaped conductor is locked in place while a vertically aligned, 3.0m-long cylindrical conductor slides across it to the left with a speed of 4.0m/s. The conductors maintain contact at all times forming a closed loop. An external magnetic field of 3.0T passes through the conductors as shown (in the image) A) At the moment the two conductors form a perfect square, what is the magnetic Flux passing between them? Is this Flux increasing or decreasing? B) What are the directions of the induced current and the induced magnetic field the conductors generate? Explain how you know your answers.SEE MORE QUESTIONSRecommended textbooks for youCollege PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
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