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Magnetic effects of Current Numerical Solving

It is just a sample. Will post some more examples.
Magnetic Effects of Current numerical are typically concerned with Biot Svart Law. The primary sources of confusion in these Numerical are:-
1. The direction of magnetic Field. The current carrying conductors carry a Current and that Current produced a B whose direction should be carefully decided using Right Hand Thumb Rule. One must understand the Right Hand Thumb Rule Carefully.
2. Please also note that Biot Savart Law Requires one to be smart in applying Integral Calculus. Because the shape of the current carrying conductor can be anything. Generally, we get numerical on Circular Loop, Square Loop. Straight Conductors of infinite length which are very easy,
3. Application of vectors. Since we have to finally find the Resultant of B ( Magnetic field due to multiple sources of B ), the knowledge of vectors needs to be very good. So reread vectors.
4. The angle between dl vector and the r vector. Dl points in the direction of current and r vector points in the course of the point where the Field is desired. Dl→">.

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