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Which physical outcome enhances current flow when Niobium-Titanium alloy reaches critical temperature?

A)Cooper pair formation
B)Increased phonon scattering
C)Elevated electron pressure
D)Magnon excitation damping

💡 Explanation

At critical temperature, electrons form Cooper pairs because of electron-phonon interactions, which initiates superconductivity. Therefore, resistance reduces to zero rather than remaining constant, because of the absence of electron scattering.

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