Question 10 resistance of 4.86 9, a length of 6 m, and a part 1 of 2 10 points mass of 0.0017 kg . The rods are separated by 0.11 m. A proton moves perpendicularly to a uni- Find the magnitude of the acceleration of form magnetic field B with a speed of each rod. 3 x 10' m/s and experiences an acceleration Answer in units of m/s2. of 5.7 x 10 m/s in the positive a direction when its velocity is in the positive z direction. Question 13 The mass of a proton is 1.673 x 10 2 kg. part 1 of 1 10 points Find the magnitude of the field. Answer in units of T. A square loop of wire carries a current and is located in a uniform magnetic field. Question 11 The left side of the loop is aligned and part 2 of 2 10 points attached to a fixed axis (dashed line in figure). What is its direction? axis of rotation B - 0.41 T 1. negative x direction 2. negative y direction 5.4 A 3. positive y direction 4. None of these 0.4 m 5. positive z direction B - 0.41 T 6. negative z direction When the plane of the loop is parallel to the magnetic field in the position shown, what is 7. positive r direction the magnitude of the torque exerted on the loop about the axis of rotation, which is along Question 12 the left side of the square as indicated by the part 1 of 1 dashed line in the figure? 10 points Answer in units of N m. Two identical parallel sections of metal rods are connected parallel to a battery as shown. Question 14 The two sections of metal rods are free to part 1 of 1 10 points move. At what distance from a long, straight wire carrying a current of 4.6 A is the magnetic field due to the wire equal to the strength of Earth's field, approximately 5.9 x 10 5 T? 3.7 V The permeabilty of free space is 1.25664 x 10 6 T . m/ A. Answer in units of cm. 0.11 m Question 15 Note: Neglect the resistance of the part of part 1 of 1 10 points the circuit not specifically mentioned below. The battery is 3.7 V, each metal rod has a A rectangular loop consists of 385 closely wrapped turns of wire and has dimensions