In “Q: Parallel action with a solenoid” I have asked a question: the magnetic field of a long solenoid being zero, will it make a coil rotate in its plan? This experiment will investigate the parallel action of a long solenoid. I have done this experiment and here is my result.

Please read the article at
Solenoid parallel action experiment
http://pengkuanem.blogspot.com/2015/06/solenoid-parallel-action-experiment.html
or Solenoid parallel action experiment with video included
https://www.academia.edu/12722675/Solenoid_parallel_action_experiment_with_video_included