How to determine the sign of an angle in Bio Savar's law?

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SUMMARY

This discussion focuses on determining the sign of angles in the context of Bio Savar's law, specifically regarding the calculation of the magnetic induction vector's intensity. The user employs the formula related to the distance of the wire from the point of interest, denoted as R. A clear understanding of the general rules for identifying positive and negative angles in this context is sought, emphasizing the need for clarity in the application of Bio Savar's law.

PREREQUISITES
  • Understanding of Bio Savar's law and its applications in electromagnetism.
  • Familiarity with vector analysis, particularly in the context of magnetic fields.
  • Knowledge of trigonometric principles related to angle measurement.
  • Basic skills in physics, specifically in magnetostatics.
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  • Research the application of Bio Savar's law in various geometrical configurations.
  • Learn about vector direction conventions in electromagnetism.
  • Study the relationship between angle measurement and magnetic field direction.
  • Explore advanced topics in magnetostatics, including the right-hand rule for determining vector orientation.
USEFUL FOR

This discussion is beneficial for physics students, electrical engineers, and anyone involved in the study of electromagnetism and magnetic field calculations using Bio Savar's law.

safetnezic
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Hello everyone. I use Bio Savar's law to determine the intensity of the magnetic induction vector.

I use this formula
formula.PNG

R is distance of wire from point in which I calculate intensity of the magnetic induction.

How can I known which angle is positive and which angle is negative from this two angles.Which is a general rule?
 
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Please explain what you are trying to calculate. Where did you get that formula?
 
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