Angle made by electric field lines

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SUMMARY

The discussion centers on determining the angle at which electric field lines enter a negative charge -q2, given that they emerge from a positive charge +q1 at an angle x. The relationship between these angles is expressed by the equation sin(y/2) = sin(x/2)(q1/q2)^(1/2). The participants highlight the complexity introduced when the magnitudes of q1 and q2 are unequal, indicating a need for further clarification on the solution process.

PREREQUISITES
  • Understanding of electric field lines and their behavior around point charges
  • Familiarity with trigonometric identities and their application in physics
  • Knowledge of Coulomb's law and the concept of charge magnitude
  • Basic algebra skills for manipulating equations
NEXT STEPS
  • Study the principles of electric field lines and their geometric properties
  • Learn how to apply trigonometric functions in physics problems
  • Investigate the implications of charge ratios on electric field behavior
  • Explore symmetry in electric fields and its effects on field line orientation
USEFUL FOR

Students studying electromagnetism, physics educators, and anyone seeking to deepen their understanding of electric field interactions between point charges.

bismita sahu
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Homework Statement


an electric field line emerges from a positive point charge +q1 at an angle x to the straight line joining it to a negative charge -q2.at what angle y will the field line enter the charge -q2?

Homework Equations





The Attempt at a Solution


sin(y/2)=sin(x/2)(q1/q2)^1/2
 
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Sorry, I was assuming q1 and q2 are equal, in which case the answer is obvious from symmetry. But it appears that that are NOT equal and I don't know how to deal with that.
 
Hi guys,
I have the same problem, please give me hints for solving the question, tnx a lot :wink:
 

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