1. For the magnetic field to exert the force depicted in the figure on the right, the charged particle must be traveling in what direction? A.to the left B.to the right C.towards the top of the screen D.towards the bottom of the screen E.into the screen F.out of the screen G.none of the above

2. If moving charges are positive, then current flows in the direction of the charges. A.True B.False

3. If moving charges are negative, then current flows in the direction of the charges. A.True B.False

4. Two wired, exact in every way, except that one is twice as long as the other, are placed in a magnetic field in the same orientation. As current flows through each wire, the force on the wire due to the magnetic field is the same for both wires. A.True B.False

5. A conducting wire with positive moving charges has current as depicted. In what direction is the resulting magnetic force? A.to the left B.to the right C.towards the top of the screen D.towards the bottom of the screen E.into the screen F.out of the screen G.none of the above

6. A conducting wire with negative moving charges has current as depicted. In what direction is the resulting magnetic force? A.to the left B.to the right C.towards the top of the screen D.towards the bottom of the screen E.into the screen F.out of the screen G.none of the above

7. Find the magnitude of the magnetic force on the segment ab (in N). RankResponses 1 2 3 4 5 6Other

8. In what direction is the force on the segment ab due to the magnetic field? A.to the left B.to the right C.towards the top of the screen D.towards the bottom of the screen E.into the screen F.out of the screen G.none of the above

9. Find the magnitude of the magnetic force on the segment bc (in N). RankResponses 1 2 3 4 5 6Other

10. In what direction is the force on the segment bc due to the magnetic field? A.to the left B.to the right C.towards the top of the screen D.towards the bottom of the screen E.into the screen F.out of the screen G.none of the above

11. Find the magnitude of the magnetic force on the segment cd (in N). RankResponses 1 2 3 4 5 6Other

12. In what direction is the force on the segment cd due to the magnetic field? A.to the left B.to the right C.towards the top of the screen D.towards the bottom of the screen E.into the screen F.out of the screen G.none of the above

13. Find the magnitude of the magnetic force on the entire circuit. RankResponses 1 2 3 4 5 6Other