Magnetic Fields
BlackBoard Notes

• (Note to Jeff: Hang up 6 copies of magnet warning poster - 2 outside lab door, one on blackboard in section 1, 3 on back wall of lab)

======================= Photo - Click for a Larger Version =============================

======================== First Board Section =============================

• Observe the B field around permanent magnets, and current-carrying wires and coils.
• Don't remove compasses from the apparatus!
• (Place magnetic field warning sign in this section; use four small magnets, found in upper corner of blackboard)
  

======================= Second Board Section =============================

• The Compass: Which end points in the direction of B?
  • Do Not stick bar magnets to the horseshoe magnet!

======================= Third Board Section =============================

• Bar magnet: Check polarity at ends of magnet

• Straight wire: What does B look like?
  • Note to Jeff: Don't draw the B field!

======================= Fourth Board Section =============================

• Wire coil (or a solenoid):
• Note to Jeff: Omit B. Make sure direction of I in figure below matches the actual connection!

• Units: