Physics · Magnetic Effects of Current
One of two identical conducting wires of a fixed length is bent into a circular loop of radius r and the other into a square loop of side d. If both carry the same current I, what is the ratio of the magnetic field at the center of the circular loop to the magnetic field at the center of the square loop?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1π24√2✓
- 2π4√2
- 3π3√2
- 4π28√2
Correct answer
π24√2
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