Physics 1B
Thermal Physics & Electromagnetism

H. E. Smith Fall 2002

  Physics 1B - Reading Quiz #7

  1. Magnetic fields fundamentally are caused by
    • A. moving charges.
    • B. charges moving relativistically (v --> c) only.
    • C. stationary dipoles.
    • D. magnetic monopoles.
    • E. magic.

  2. A charged particle moving in a magnetic field will feel no force iff
    • A. It is moving slowly enough.
    • B. It is moving fast enough.
    • C. It is moving parallel to the field lines.
    • D. It is moving perpendicular to the field lines.
    • E. It is moving in a circle.