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THIS IS PHYSICS SUBJECT .. PLEASE SHOW SOLUTION ALSO PLEASE. I PROMISE TO GIVE HELPFUL RATING AFTER 2. A 1.50-m cylindrical rod of diameter 0.500

THIS IS PHYSICS SUBJECT .. PLEASE SHOW SOLUTION ALSO PLEASE. I PROMISE TO GIVE HELPFUL RATING AFTER

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2. A 1.50-m cylindrical rod of diameter 0.500 cm is connected to a power supply that maintains a constant potential difference of 15.0 V across its ends, while an ammeter measures the current through it. You observe that at room temperature 200C the ammeter reads 13.5 A, while at 92.0\": it reads 17.2 A. You can ignore any thermal expansion of the rod. Find {al the resistivity at and {hi the temperature coefficient of resistivity at for the material of the rod

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