1. The normal to a certain 1-m2 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 m2
 B. 1.15 m2
 C. 0.5 m2
 D. 2 m2
 E. 1 m2

2. The units of motional emf are:
 A. volt/second
 B. volt×meter/second
 C. volt/tesla
 D. tesla/second
 E. tesla×meter2/second

3. 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

4. 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. depends upon whether or not B is decreasing at a constant rate
 E. clockwise in two of the loop sides and counterclockwise in the other two

5.

A long straight wire is in the plane of a rectangular conducting loop. The straight wire carries a constant current i, as shown. While the wire is being moved toward the rectangle 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

6.

The circuit shown is in a uniform magnetic field that is into the page and is decreasing in magnitude at the rate 150 T/s. The current in the circuit (in amperes) is: A. 0.18
 B. 0.22
 C. 0.4
 D. 0.62
 E. none of these

7. An electric field is associated with every:
 A. magnetic field
 B. time-dependent magnetic field
 C. time-dependent magnetic flux
 D. object moving in a magnetic field
 E. conductor moving in a magnetic field

8. A cylindrical region of radius R = 3.0 cm contains a uniform magnetic field parallel to its axis. The field is 0 outside the cylinder. If the field is changing at the rate 0.60 T/s, the electric field induced at a point 2R from the cylinder axis is:
 A. 0
 B. 0.0045 V/m
 C. 0.0090 V/m
 D. 0.018 V/m
 E. none of these

9. The unit "henry" is equivalent to:
 A. volt×second/ampere
 B. volt/second
 C. ohm
 D. ampere×volt/second
 E. ampere×second/volt This is the end of the test. When you have completed all the questions and reviewed your answers, press the button below to grade the test.