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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A metal wire of diameter 2 mm and of length 300 m has a resistance of 1.6424 ohm at 20 degree and 2..415 ohm at 150 degree at 150 degree . Find the values of alpha , R0 and rho0, where the zero subscript refers to 0 degree C , and rho 20 degree c. Identify the metal.

A metal wire of diameter 2 mm and of length 300 m has a resistance of 1.6424 ohm at 20 degree and 2..415 ohm at 150 degree at 150 degree . Find the values of alpha , R0 and rho0, where the zero subscript refers to 0 degree C , and rho 20 degree c. Identify the metal.

A metal wire of diameter 2 mm and of length 300 m has a resistance of 1.6424 ohm at 20 degree and 2..415 ohm at 150 degree at 150 degree . Find the values of alpha and rho 20 degree c. Identify the metal. R0 and rho0 where the zero subscript refers to 0 degree C