Magnetic Field Caused by Electric Current

Identifier: E&M: M - 001

A wire is suspended above a compass.

Concept Overview:

An electric current will produce a magnetic field.

Lecturer Procedure

Step(s) to FollowExpected Result
  1. Close the switch
Compass needle realigns with the magnetic field.
  1. Open the switch.
  2. Close switch in the opposite direction as above.
Compass needle realigns with the magnetic field in the opposite direction