Multiple Choice
An electron (charge = -1.6 * 10-19C) is moving at 3 * 105 m/s in the positive x direction. A magnetic field of 0.8 T is in the positive z direction. The magnetic force on the electron is:
A) 0
B) 4 * 10-14 N in the positive z direction
C) 4 * 10-14 N in the negative z direction
D) 4 *10-14 N in the positive y direction
E) 4 * 10-14 N in the negative y direction
Correct Answer:
Verified
Correct Answer:
Verified
Q15: A circular loop of wire with a
Q23: A loop of wire carrying a current
Q24: An electron is moving north in a
Q25: A hydrogen atom that has lost its
Q26: The diagrams show five possible orientations of
Q28: The figure shows the motion of electrons
Q30: Electrons (mass m, charge -e) are accelerated
Q32: An electron and a proton are both
Q32: A current is clockwise around the outside
Q36: At any point the magnetic field lines