Estimate the size of a cooper pair in mercury

Reference no: EM131352690

1. Why, for permanent magnets, do we use materials composed of small crystals and having large imperfections? Also why, for transformer magnets, do we use materials composed of large crystals having few imperfections?

2. Estimate the size of a Cooper pair in mercury by equating the binding energy at 0°K to the electrostatic repulsion energy between the two electrons.

Reference no: EM131352690

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