A flat 15 cm x 15 cm square coil has 30 turns and sits in the xy-plane. It carries a 33 A curret that is clockwise when viewed fro above the positive z direction. What is the torque as a vector on this flat coil if it sits ina 95 mT uniform magnetic field in the positive x direction?

6.0 cm Question 1/1e As shown in the figure, an insulated wire is bent into a circular loop of radius 6.0 cm and has two long straight sections. The loop is in the xz plane, with the center at the origin. The straight sections are parallel toe y axi The wire carries a current of I-3.0 A. What is the magnitode of the magnetic field at the origin? (g 4x 107T-m/A) 1. 33 T 2 055 T 3. 077 uT 4 099 T 5.0121 T < o O

A square current loop of 26.2 A is inscribed within a circular current loop A in the plane of the page. What must the current in the circular loop be such that the net magnetic field at the center of the system is zero if the radius of the circular loop is 0.09m? Assume that the magnetic felds produced by the loops are in opposing directions at the center or the system.

underway Scientific work is currently to determine whether weak oscillating magneto fields can affect human health. For example, One Study found that drivers of trains had a higher incidence of blood cancer than other railway workers; Possibly due to long exposure to Mechanical devices in the train engine cab- Consider a magnetic field of magnitude 1.00 x 10-3T, Oscillating Sinusoidally at 70-0HZ. If the diameter of a red blood cell is is 6.00 Mm, determine the maximum emf that Can be generated around the Perimeter of a in cell in this field- VA Nute Answer must be in V... ono

In the figure, two circular arcs have radii a = 13.3 cm and b = 11.5 cm, subtend angle 0 = 77.0°, carry current i = 0.345 A, and share the same center of curvature P. What are the (a) magnitude and (b) direction (into or out of the page) of the net magnetic field at P? P

A current of 22.0 mA is maintained in a single circular loop of 4.00 m circumference. A magnetic field of 0.650 T is directed parallel to the plane of the loop. (a) Calculate the magnetic moment of the loop. mA m² (b) What is the magnitude of the torque exerted by the magnetic field on the loop? mN. m

Suppose you wish to produce a 2-T magnetic field in a toroid with an iron core for which magnetic susceptibility is x=3 x 10³. The toroid has a mean radius of 18 cm and is wound with 600 turns. Hint с a. What current is required to produce this magnetic field in the iron core? Current of A is needed. b. For comparison, what current is required to produce the same magnetic field in an air-filled toroid of same geometry? Current of While it is not always practical to have region of magnetic field filled with ferromagnetic materials, this dramatic increase in strength of magnetic field produced is useful in some applications you will see in upcoming chapters. Submit Question 4 A is needed for toroid with no iron core. % Search or type URL 5 MacBook Pro < 6 A 6 7 * 8 ( 9

A square current loop 4.5 cmcm on each side carries a 470 mAmA current. The loop is in a 1.0 TT uniform magnetic field. The axis of the loop, perpendicular to the plane of the loop, is 30∘∘ away from the field direction. What is the magnitude of the torque on the current loop?

A rigid rectangular current loop abcd is in a uniform magnetic field. The magnetic field is 1.5T and in the y direction. The current is 2.0A and in the directions of blue arrows. The length of ab is 0.5 m and the length of ad is 0,8 m. For the coordinate, the r- and y-axis are along the horizontal and vertical direction on the paper, respectively, and the z-axis points out of the paper. (a) What are the magnitude and direction of the magnetic force on cach side of the loop? V B = 1.5T d I-2A .----------H Fah = direction = Fae = direction = Fad= direction = 0.5 m Fie = direction = (b) Based on your calculation of the magnetic forces, which of the following statements are true regarding the motion of the loop due to the magnetic forces? Explain your reasoning with one or two sentences. Use this rotation diagrams to identify a clockwise or counterclockwise rotation around horizontal (dashed line H) or vertical (dashed line V) axis. The rotation direction is viewed

A toroid magnet is made from 180 turns of copper wire carrying a current 2 A, The Toroid have an average radius R=12 cm with cross section diameter d=1.2cm. what is the average magnetic field produced at the average toroidal radius B?