Chapter 20 The effect of magnetic field on electric current

sum up knowledge point 20.1 the effect of magnetic field on the motion charge

1. Lorentz Force (magnetic force):
   
2. Hall Effect:
   
   

20.2 effect of magnetic field on current-carrying conductors

1. Ampere Law:
2. Calculation formula:
3. Application:

20.3 effect of uniform magnetic field on coil

1. A force (two equal in size, opposite in direction, but not in the same line); arm;
2. The coupling moment = the coupling arm;

3. Magnetic moment: Pm
   

4. magnetic work;

   1. The work of magnetic force when the current carrying wire is moving in a magnetic field
      
   2. The power of the magnetic field force when the coil is rotated in a magnetic field
      

From for notes (Wiz)

Chapter 20 The effect of magnetic field on electric current