Confused about this solution manual approach-link included

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SUMMARY

The discussion centers on the application of the solution manual for Problem #22 from the Physics Solution Manual linked in the forum. Participants clarify that while the differential element dq can be chosen in any quadrant, the integration limits remain consistent from 0 to 2π, ensuring that the final answer remains unchanged. This highlights the importance of understanding the symmetry in circular integrals and the impact of quadrant selection on sign conventions.

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pyroknife
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Yes, you should be able to draw the diagram in any quadrant. But you will still integrate from 0 to 2 pi (around the whole circle), so you'll get the same answer.
 

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