Force of a solenoid on a magnet?

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SUMMARY

The discussion focuses on calculating the force exerted by a solenoid on a magnet positioned within it. A solenoid with 'n' turns and length 'l', carrying a current 'I', does not exert a net force on the magnet located at a distance 'd' from its center. Instead, the interaction results in torque rather than a direct force. This conclusion is critical for understanding the dynamics of magnetic fields in solenoid applications.

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  • Familiarity with the concepts of torque and force in electromagnetism
  • Knowledge of current-carrying conductors and their magnetic effects
  • Basic principles of magnetism and magnetic field interactions
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Physics students, electrical engineers, and anyone interested in the principles of electromagnetism and magnetic interactions in solenoids.

strathcona93
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I'm trying to calculate the force between a solenoid and a magnet inside that solenoid. Would someone be able to explain how I would be able to calculate the force a solenoid of n number of turns and l length with a current I running through it would put on a magnet whose center is a distance d from the centre of the solenoid? any help would be much appreciated. Thanks!
 
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There wouldn't be a force on the magnet. Torque yes, but no net force.
 

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