lead-is-a-metal-that-exhibits-superconductivity-below-a-critical-temperature-of-

Question

Lead is a metal that exhibits superconductivity below a critical temperature of 7.2 K. However, if the magnetic field at the surface of a lead wire exceeds 0.15 T, the superconductivity is lost. Determine the maximum current that can flow through a straight lead wire with a radius of 2.5 mm.

Accepted Answer

1.88 × 10³ A

Answer

9.37 × 10³ A

Answer

5.89 × 10³ A

Answer

2.95 × 10³ A

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Lead is a metal that exhibits superconductivity below a critical temperature of 7.2 K. However, if the magnetic field at the surface of a lead wire exceeds 0.15 T, the superconductivity is lost. Determine the maximum current that can flow through a straight lead wire with a radius of 2.5 mm.