3032_HRW_0506-1 - AP Physics Chapter 30 & 32 Review...

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Unformatted text preview: AP Physics Chapter 30 & 32 Review Sheet 1. The normal to a certain 1-m 2 area makes an angle of 60 with a uniform magnetic field. The magnetic flux through this area is the same as the flux through a second area that is perpendicular to the field if the second area is: A) 0.866 m 2 B) 1.15 m 2 C) 0.5 m 2 D) 2 m 2 E) 1 m 2 2. A 2-T uniform magnetic field makes an angle of 30 with the z axis. The magnetic flux through a 3-m 2 portion of the xy plane is: A) 2.0 Wb B) 3.0 Wb C) 5.2 Wb D) 6 Wb E) 12 Wb 3. 1 weber is the same as: A) 1 V/s B) 1 T/s C) 1 T/m D) 1 T m 2 E) 1 T/m 2 4. The units of motional emf are: A) volt/second B) volt meter/second C) volt/tesla D) tesla/second E) tesla meter 2 /second 5. The emf that appears in Faraday's law is: A) around a conducting circuit B) around the boundary of the surface used to compute the magnetic flux C) throughout the surface used to compute the magnetic flux D) perpendicular to the surface used to compute the magnetic flux E) none of the above Page 1 6. A square loop of wire lies in the plane of the page. A decreasing magnetic field is directed into the page. The induced current in the loop is: A) counterclockwise B) clockwise C) zero D) up the left edge and from right to left alongthe top edge E) throught the middle of the page 7. At any instant of time the total magnetic flux through a stationary conducting loop is less in magnitude than the flux associated with an externally applied field. This might occur because: A) the applied field is normal to the loop and increasing in magnitude B) the applied field is normal to the loop and decreasing in magnitude C) the applied field is parallel to the plane of the loop and increasing in magnitude D) the applied field is parallel to the plane of the loop and decreasing in magnitude E) the applied field is tangent to the loop 8. A long straight wire is in the plane of a rectangular conducting loop. The straight wire carries an increasing current in the direction shown. The current in the rectangle is: A) zero B) clockwise C) counterclockwise D) clockwise in the left side and counterclockwise in the right side E) counterclockwise in the left side and clockwise in the right side Page 2 9. A rectangular loop of wire is placed midway between two long straight parallel conductors as shown. The conductors carry currents i 1 and i 2 as indicated. If i 1 is increasing and i 2 is constant, then the induced current in the loop is: A) zero B) clockwise C) counterclockwise D) depends on i 1 i 2 E) depends on i 1 + i 2 10. A vertical bar magnet is dropped through the center of a horizontal loop of wire, with its north pole leading. At the instant when the midpoint of the magnet is in the plane of the loop, the induced current at point P, viewed from above, is: A) maximum and clockwise B) maximum and counterclockwise C) not maximum but clockwise D) not maximum but counterclockwise E) essentially zero 11. In the experiment shown: A) there is a steady reading in G as long as S is closed...
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This note was uploaded on 02/26/2011 for the course PHYS 102 taught by Professor Smichys during the Spring '11 term at Indiana Northwest.

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3032_HRW_0506-1 - AP Physics Chapter 30 & 32 Review...

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