Question 1
What is the direction of the magnetic force on the proton?/ 1) +x
2) –x
3) +y
4) –y
5) +z
6) –z
7) zero magnitude
Question 2
An electron is traveling in the –y direction. At its location there is a magnetic field in the –z direction.What is the direction of the magnetic force on the electron? / 1) +x
2) –x
3) +y
4) –y
5) +z
6) –z
7) zero magnitude
Question 3
A proton traveling in the –x direction experiences a magnetic force in the–z direction.
What is a possible direction of the magnetic field at the location of the proton? / 1) +x
2) –x
3) +y
4) –y
5) +z
6) –z
7) zero magnitude
Question 4
A proton moving in the +y direction experiences a magnetic force in the –x direction.
/ What is the direction of conventional current in the wire?1) +y
2) –y
3) I = 0
4) Not enough information
Question 5
What is the direction of magnetic force on the wire?/ 1) +x
2) –x
3) +y
4) –y
5) +z
6) –z
7) zero magnitude /
Question 6
/ What are the forces on the moving POSTIVE charge?FelecFmag
1)UPUP
2)DOWNDOWN
3)UPDOWN
4)DOWNUP
Question 7
/ What are the forces on the moving NEGATIVE charge?FelecFmag
1)UPUP
2)DOWNDOWN
3)UPDOWN
4)DOWNUP
Question 8
/ Particle of charge +q travels in a straight line at constant speed. Which is true?1) qE = qvB
2) E = B
3) E = q / (vB)
4) qE = qB
Question 9
E = 1000 V/m, B = 0.5 T, q = -3.2e–19 C / Particle travels in a straight line at constant speed. What is the velocity of particle?
1) 2000 m/s
2) 0.5 m/s
3) 500 m/s
4) 1000 m/s
5) 1.0 m/s
Chapter 21 ClickerB.doc1