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

Thread starter hokhani
Start date Mar 15, 2011
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Biot-savart Biot-savart law Law

AI Thread Summary

The discussion centers on the application of the Biot-Savart Law to calculate the magnetic field of a cylindrical uniform current density, where it is stated that the result is zero. This contrasts with the results obtained using Ampere's Law, which indicates that the magnetic field is not zero. The confusion arises from an initial misunderstanding of the Biot-Savart Law's application in this context. Clarification is sought on how to correctly calculate the magnetic field for a cylindrical uniform current density. Ultimately, the conversation highlights the importance of correctly applying the laws of electromagnetism to avoid misconceptions.

Mar 15, 2011

hokhani

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

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Mar 15, 2011

Meir Achuz

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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?

Mar 15, 2011

hokhani

oh sorry
I made a mistake

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