Two identical long current-carrying wires are bent into the two shapes shown in the figure. The semicircular arcs in both cases have radius r and carry the same current I. If the magnetic-field magnitudes at the centres P and Q are B₁ and B₂, respectively, what is B₁ / B₂?
Physics · Magnetic effect of current · biot savart law and magnetic field due to straight conductor ,arc and ring
Two identical long current-carrying wires are bent into the two shapes shown in the figure. The semicircular arcs in both cases have radius r and carry the same current I. If the magnetic-field magnitudes at the centres P and Q are B₁ and B₂, respectively, what is B₁ / B₂?
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