The segment of wire in Figure P30.7 carries a current of I = 4.50 A, where the radius of the circular arc is R = 3.10 cm. Determine the magnitude and direction of the magnetic field at the origin. HT ---Direction--
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- The figure below shows two wires carrying currents of I = 5.20 A in opposite directions, separated by a distance d. Assume d = 9.2 cm. P, 2d· (a) Find the magnitude (in µT) and direction of the net magnetic field at a point halfway between the wires. magnitude HT direction ---Select--- (b) Find the magnitude (in µT) and direction of the net magnetic field at point P,, 9.2 cm to the right of the wire on the right. magnitude µT direction ---Select--- (c) Find the magnitude (in µT) and direction of the net magnetic field at point P,, 2d = 18.4 cm to the left of the wire on the left. magnitude µT direction ---Select--- (d) What If? Repeat parts (a) through (c) for the case where both wires carry currents in the same direction, upward in the figure. Find the magnitude (in µT) and direction of the net magnetic field at a point halfway between the wires. magnitude µT direction ---Select---A wire carries a 5.78-A current along the x axis, and another wire carries a 2.18-A current along the y axis, as shown in the figure below. What is the magnetic field at point P, located at x = 4.00 m, y = 3.00 m? 0.138 Use the expression for the magnetic field around a current-carrying wire to find the magnitude and direction of the magnetic field contribution from each of the two currents. UT magnitude direction out of the page y (4.00, 3.00) mThe magnitude of the magnetic field 70.0 cm from a long, thin, straight wire is 8.0µT. What is the current through the long wire? A
- 4. Figure in the below shows a cross section of a hollow cylindrical conductor of radii a and b, carrying a uniformly distributed current i. a) Show that the magnetic field magnitude B(r) for the radial distance rin the range. bA long cylindrical conductor of radius a has two cylindrical cavities diameter a along its entire length, as shown in figure. An I current is directed out of the page and has a uniform value across the entire cross-section of the conductor. Determine the magnitude and direction of the magnetic field based on μ0, I, r and a at a) point P1 and b) at point P2.Question 8