One infinite straight wire is placed on the x-axis and carries a constant current l1, another infinite straight wire is placed on the y-axis and carries a constant current I2. I flows towards the +x direction, whereas I2 flows towards the +y direction. a) Find the magnetic field at an arbitrary point (x, y) on the plane. b) Assume that l = 12, identify the regions on the xy-plane that have the magnetic field pointing into the page.
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- Consider a short wire of length L, carrying a current I to the left. Define coordinates so that the wire is along the à axis, the current flows in the - direction, the y axis is vertical in the plane of the page and the 2 axis points out of the page. Which of the following expressions is an ap- proximate expression for the magnetic field at a point P on the y axis very close to the wire, i.e. a distance y < L below the mid- point of the wire? 1. B= 2(y2 + L2) O 2. B 0 3. B Hol 2ny Hol 4Vy2 + L² 4. B = Hol 4Ty 5. B = %3D O 6. B=-00 O, B = 47 (y2 + L2) 8. B = 27 Vy? + L2 40IL 2ny? 9. B = 10. B – _ 40! 2nyThe two wires shown in the figure below are separated by d = 11.1 cm and carry currents of I = 4.90 A in opposite directions. 2d- (a) Find the magnitude and direction of the net magnetic field at a point midway between the wires. magnitude µT direction --Select--- (b) Find the magnitude and direction of the net magnetic field at point P,, 11.1 cm to the right of the wire on the right. magnitude direction |---Select--- (c) Find the magnitude and direction of the net magnetic field at point Pa, 2d = 22.2 cm to the left of the wire on the left. magnitude uT direction ---Select---Please Asap
- A rod with radius R = 2.02 mm is carrying a current of 13.0 A. determine the magnetic field at the following distances from the center of the rod. a) r(a) = R/2 b) r(b) = 3R/2A wire of mass 10 grams and length 50 cm carries a Southward current of 2A while resting on a horizontal table on Earth. a) If a vertically downward uniform magnetic field of 0.2 T is applied, determine the direction and magnitude of the magnetic force on the wire. b) Determine the acceleration of the wire if its coefficient of kinetic friction with the table is 0.4. c) Determine the direction and magnitude of the smallest uniform magnetic field required to levitate the wire.Describe your approach to determining the distance between the electron and proton in an atom if the potential energy U of the electron is known to be 14 eV. а. Use the law of conservation of energy. b. Use Coulomb's law. С. Use the definition of electrostatic potential energy U of one point charge q at position r in the presence of an electric potential. d. Use Newton's second law.
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- A proton at point A has a speed of V=1.0x106 m/s and d = 25 cm. Find the magnitude of the magnetic field that will cause the proton to move along a circular path from A to B. (T) A(+ d1) A straight wire segment 4 m long makes an angle of 30° with a uniform magnetic field of 0.37 T. Find the magnitude of the force on the wire if it carries a current of 2.4 A. N SubmitConsider a wire segment carrying a constant current of 3.0 A as shown on the attached figure. The arc portion of the segment is a 30◦ portion of a circle, the circle has a radius of 0.60 m. Determine the magnitude and direction of the magnetic field generated by the current at a point P at the center of the circle.