Why is Biot-Savart Law Zero for Cylinderical Uniform Current Density?

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SUMMARY

The discussion centers on the application of the Biot-Savart Law in calculating the magnetic field generated by a cylindrical uniform current density. It is established that the magnetic field is zero when using the Biot-Savart Law due to the symmetrical nature of the current distribution. In contrast, Ampere's Law indicates a non-zero magnetic field, highlighting the differences in the methodologies of these two laws. The confusion arises from the misinterpretation of the Biot-Savart Law's application in this context.

PREREQUISITES
  • Understanding of Biot-Savart Law
  • Familiarity with Ampere's Law
  • Knowledge of magnetic fields and current density
  • Basic principles of electromagnetism
NEXT STEPS
  • Study the derivation of the Biot-Savart Law
  • Explore the applications of Ampere's Law in different geometries
  • Investigate the concept of magnetic field symmetry
  • Learn about the differences between static and dynamic current distributions
USEFUL FOR

Students of physics, electrical engineers, and anyone interested in understanding electromagnetic theory and the behavior of magnetic fields in relation to current distributions.

hokhani
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if you want to calculate the magnetic field of a cylinderical uniform current density
by Biot-savart law,
it will be zero, but by Ampere law it is not zero?
why?
please guide me
 
Physics news on Phys.org
hokhani said:
if you want to calculate the magnetic field of a cylinderical uniform current density
by Biot-savart law,
it will be zero,
Why do you say that?
 
oh sorry
I made a mistake
 

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