Question:medium
Two identical long current carrying wires are bent into the shapes shown. If the magnitude of magnetic fields at the centres \(P\) and \(Q\) of a semicircular arc are \(B_1\) and \(B_2\) respectively, then the ratio \( \dfrac{B_1}{B_2} \) is:
Two identical long current carrying wires are bent into the shapes shown. If the magnitude of magnetic fields at the centres \(P\) and \(Q\) of a semicircular arc are \(B_1\) and \(B_2\) respectively, then the ratio \( \dfrac{B_1}{B_2} \) is:
Updated On: Apr 10, 2026
- \( \dfrac{2+\pi}{1+\pi} \)
- \( \dfrac{1+\pi}{1-\pi} \)
- \( \dfrac{2+\pi}{1-\pi} \)
- \( \dfrac{1+\pi}{2-\pi} \)
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The Correct Option is A
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