A conducting wire having cross section area 1 0 mm and

Last updated: 6/27/2023

A conducting wire having cross section area 1 0 mm and length 1 0 km The wire resistivity is 10 2 m at 20 C and its resistance is 2 0 2 at T 320 C Find the temperature coefficient of resistivity in C 1 of the material 1 10 0 x10 3 2 05 0 x10 3 03 3x10 3 4 025 x10 3 5 02 0x10 3