9. Particles 1, 2, and 3 follow the paths shown as they pass through the magneti
ID: 1583598 • Letter: 9
Question
9. Particles 1, 2, and 3 follow the paths shown as they pass through the magnetic field which points into the page in this figure. Assume the particles have equal momenta. Which of the following inferences is correct? × xx A. Particle 2 is not deflected because its path exactly bisects the field region. The others are deflected oppositely because 1 is repelled by more field lines on its right, while 3 is repelled by more field lines on its left side. B. Particle 2 is not deflected because it is traveling twice as fast as particl C. Particle 2 is not deflected because it is traveling very slowly, while p Straight-ine trajectory es 1 and 3. articles 1 and 3 are moving much faster. D. Particle 1 is positively charged, 3 is negative, and 2 is neutra E. Particle 1 is negatively charged, 3 is positive, and 2 is neutral. F. Particle 1 is magnetized as a north pole, 3 as a south pole, and 2 as a dipole (having both north and south poles). 10. The square loop in the diagram is in the plane of the paper and carries a counterclockwise current I. The loop is in a uniform external magnetic B field directed out of the paper. Describe the magnetic forces on the wire: A. They create a torque tending to rotate the loop about a vertical axis in the plane of the paper. B. They create a torque tending to rotate the loop about a horizontal axis in the plane of the paper. C. They tend to collapse the loop, reducing its area D. They make the sides of the loop bulge outward, tending to form a circle under tension. 11. A long straight wire carries a 10-A current in the direction shown. Next to the wire is a square copper loop (with side length 1.00 m) that carriesa 2.0-A current in the direction shown. Determine the magnitude of the net force that acts on the loop. " 2 A 10 A A. 8.0 x 10-6 N C. 1.4x 10-5 N E, 2.3 ×10-5 N B. 1.1 × 10-5 N D. 1.7 × 10-5 NExplanation / Answer
9) (D) particle 1 is positively charged, 3 is negative and 2 is neutral.
10) (D) they make the sides of the loop bulge outward, tending to form a circle under tension.
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