review before exam

${\vec{F}}_{12}$ means force due to 1 on 2

PX157 - B9 - potential gradients#potential of an ideal dipole

PX157 - C4b - magnetic field of an infinite straight wire
PX157 - C4d - magnetic field on a long cylindrical wire with a hole
PX157 - C8 - solenoid
PX157 - C10a - classification of materials
PX157 - C10e - working of a magnet

PX157 - D1f - a falling magnet in a pipe
PX157 - D3d - inductors in series
PX157 - D3e - inductors in parallel