Topic: Magnetic Effects of Current
Subtopic: Magnetic Field Due to Circular Current Carrying Wire
Figure shows three cases, in all cases the circular part has radius r and stragiht ones are infinitely long. For the same current the ratio of field B at center P in the three cases B1 : B2 : B3 is :
\[\left(- \frac{\pi}{2} \right):\left( \frac{\pi}{2} \right):\left( \frac{3\pi}{4}-\frac{1}{2} \right)\]
\[\left(- \frac{\pi}{2}+1 \right):\left( \frac{\pi}{2}+1 \right):\left( \frac{3\pi}{4}+\frac{1}{2} \right)\]
\[\left(- \frac{\pi}{2} \right):\left( \frac{\pi}{2} \right):\left( \frac{3\pi}{4} \right)\]
\[\left(- \frac{\pi}{2}-1 \right):\left( \frac{\pi}{2}-\frac{1}{4} \right):\left( \frac{3\pi}{4}+\frac{1}{2} \right)\]
No solution provided for this question.
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