1—>>> A long straight conductor has a constant current flowing to the right, producing a magnetic field that points out of the plane of the page (perpendicular to the page) everywhere above the long straight conductor. A wire rectangle is in the same plane and also has a constant current flowing through it (as shown in the figure). The net torque on the loop is because
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- A solenoid has length L, total number of turns N and current I. What happens to the magnitude of the magnetic held (B) inside the solenoid if the number of turns is doubled, with the length and current remaining the same? It becomes four times larger. It becomes one-fourth as large. It is unchanged. O It becomes one-half as large. O It becomes twice as large.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.The figure below shows a long straight wire just touching a circular loop carrying a current I1 = 1.52 A in the counterclockwise direction. Both lie in the same plane.(a) What direction must the current I2 in the straight wire have in order to create a magnetic field at the center of the loop in the direction opposite to that created by the loop?
- We have two solenoids with equal magnetic field at the center. The length of solenoid 1 is L1, number of turns is N1 and the current through it is 11. Solenoid 2 of length L2 is seven times longer than solenoid 1, and the current through it, 12, is 4 times larger than 11. How does N2 compare to N1 for the magnetic field at the center of the solenoid to be equal? O N1 = 7/4 N2 O N1=N2 O N1 = 1/7 N2 N1 = 7 N2 N1= 4/7 N2A square coil and a rectangular coil are each made from the same length of wire. Each contains a single turn. The long sides of the rectangle are twice as long as the short sides. Find the ratio T-square / T-rectangle of the maximum torques that these coils experience in the same magnetic field when they contain the same current.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 rectangular coil of wire consisting of 10 turns, each 0.20 m long and 0.30 m wide, lies in the xy plane. If the coil carries a current of 2.0 A, what is the torque exerted by a magnetic field of magnitude 0.010 T that is directed at an angle of 30.0 degrees with respect to the positive z axis? a) 1.2 x 10^-2 N.m b) 2.4 x 10^-2 N.m c) 6.0 x 10^-3 N.m d) 4.0 x 10^-3 N.m e) 3.0 x 10^-3 N.m(b) Find the toroidal coil similar to that shown in Figure 2 but having a circular cross section with a = 1.2 cm, b = 2 cm and N = B is uniform throughout the inner part of the toroid. b 1000. The magnetic field Figure 2 aThe figure below shows a long straight wire just touching a circular loop carrying a current I₁ = 2.04 A in the counterclockwise direction. Both lie in the same plane. @ (a) What direction must the current I2 in the straight wire have in order to create a magnetic field at the center of the loop in the direction opposite to that created by the loop? O from right to left O from left to right (b) What current must the long straight wire carry in order have zero net magnetic field strength at the center of the loop? A Additional Materials Reading Tutorial Submit Anguer