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02-01-2024
Physics

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You're designing a superconducting cable intended to carry 15.0 kA. The cable's self-inductance is 19.2 mH. Embedded copper wire is included to handle the current in the event that superconductivity is lost. Specify the minimum resistance for the copper under the requirement that the current will drop to 7.50 kA in less than 10 s after the loss of superconductivity.
a. 0.002 Ω
b. 0.004 Ω
c. 0.006 Ω
d. 0.008 Ω

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