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Chapter 4 Magnetism (4.5 Forces between two parallel current…

- - - - compass needle
      - sprinkling iron illings
- - - - negative - Fleming's left hand rule
      - positive + Fleming's right hand rule
  - - - Into the paper
      - Outside of the paper
      - formula
- - - - When the current, Ipasses through the coil, torque is exerted due to magnetic field on the coil
        
        formula
    - - formula