F = q v B sinθ
What is the force on the particle?

• 6.00 x 10^-19 N
• 6.00 x 10^-27 N
• 3.00 x 10^-19 N
• 3.00 x 10^-27 N

F = I l B sinθ
What is the force on the wire if it is carrying a current of .30 A?

• 3.0 N
• 0.30 N
• 300 N
• 30 N

An electron is over the equator 100 miles above the surface of the Earth. It is at rest with respect to the magnetic field lines of the Earth. What is true about the force on the electron due to the B-field of Earth?

• The force points to the east.
• The force points toward the west.
• The force points upward from the surface of Earth.
• The force equals 0 N.

F = I l B sinθ
A current of 2.5 A flows through a wire 10.0 cm long. The wire is in a magnetic field of strength 2.00 T, perpendicular to the wire. What is the magnitude of the magnetic force acting on the wire?

• 0 N
• 0.5 N
• 1.0 N
• 2.0 N

F = q v B sinθ
A proton with a charge e feels a magnetic force F when moving through a magnetic field. If the magnetic field strength is tripled, what is the new magnetic force on the proton?

• 4*F
• 3*F
• 2*F
• F (same)