Angle made by electric field lines

AI Thread Summary
The discussion focuses on determining the angle y at which an electric field line enters a negative charge -q2, given that it emerges from a positive charge +q1 at an angle x. The initial assumption was that the charges q1 and q2 are equal, simplifying the problem through symmetry. However, the user realizes that the charges are not equal, complicating the calculation. They seek hints or guidance from others to solve the problem effectively. The conversation highlights the challenges of working with unequal charges in electric field line analysis.
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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