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Solve the given parts of following problem:

Problem: A Hall Effect probe used to measure magnetic fields is made with a copper bar of thickness 1.60-m. The conduction electron density of copper is 8.47x10²⁸ m³.

Part I: If the current in the bar is 520mA, find the perpendicular magnetic field present when the Hall potential difference is 1.5V.

Part II: If the current in the bar is 520mA, find the perpendicular magnetic field present when the Hall potential difference is 2.0mV.

Please show your results in detailed calculations for above problem.

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