# The left side of the square as indicated by the

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the left side of the square as indicated by the dashed line in the figure? Correct answer: 0 . 539392 N m. Explanation: axis of rotation vector B vector B d I x y
shiau (hms584) – Chapter 27: Magnetic Fields and Forces – Thompson – (0137) 7 019 (part 1 of 2) 10.0 points A circular current loop of radius R is placed in a horizontal plane and maintains a current I . There is a constant magnetic field vector B in the xy -plane, with the angle α ( α < 90 ) defined with respect to y -axis. The current in the loop flows counterclockwise as seen from above. I z ˆ k x ˆ ı y , ˆ B α What is the direction of the magnetic mo- ment vectorμ ? I z B α According to the right-hand rule, the mag- netic moment is upward. 020 (part 2 of 2) 10.0 points If the current in the loop is 0 . 289 A and its radius is 1 . 26 cm, what is the magnitude of the magnetic moment of the loop? ˆ k τ x ˆ ı μ loop
shiau (hms584) – Chapter 27: Magnetic Fields and Forces – Thompson – (0137) 8 q m Region of Magnetic Field B E hole What is the sign of the charge of the parti- cle? Neglect relativistic effects. 1. The charge q is positive, + . correct B + q m E hole + + + +
2. The charge q cannot be determined for information given. 3. The charge q is negative, . 023 (part 3 of 6) 10.0 points What is the speed of the charged particle as it enters the region of the magnetic field? The change in kinetic energy of the charged
022 (part 2 of 6) 10.0 points Which way does the magnetic field point? particle is equal to the work done on it by the potential difference:
6. out of the page correct 7. to the right 024 (part 4 of 6) 10.0 points
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