Magnetic Field From a Solenoid - Biot-Savart Law

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SUMMARY

The discussion focuses on calculating the magnetic field strength along the axis of a solenoid using the Biot-Savart Law. Dan proposes that the current in the solenoid can be expressed as NI, where N is the number of turns and I is the current. However, it is clarified that the correct approach involves integrating the current along the helical path of the solenoid winding, particularly when the coils are stacked directly on top of one another.

PREREQUISITES
  • Understanding of the Biot-Savart Law
  • Knowledge of magnetic fields generated by current-carrying conductors
  • Familiarity with solenoid structure and properties
  • Basic calculus for integration techniques
NEXT STEPS
  • Study the application of the Biot-Savart Law in various geometries
  • Learn about the magnetic field calculations for solenoids with varying coil configurations
  • Explore integration techniques for calculating magnetic fields
  • Investigate the effects of coil spacing on magnetic field strength
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Physics students, electrical engineers, and anyone interested in electromagnetism and magnetic field calculations related to solenoids.

fonz
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I'm fairly confident I can express the strength of a magnetic field along the axis of a current carrying loop at some distance x away using the Biot-Savart Law. I'm just trying to extend this idea for a solenoid with N turns. I'm assuming that the current would become NI in this case?

Regards
Dan
 
Last edited:
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Only if the coils lay atop one another.

The proper way is to integrate I along the helical path of the solenoid winding.
 
Antiphon said:
Only if the coils lay atop one another.

The proper way is to integrate I along the helical path of the solenoid winding.

Thanks
 

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