A conducting wire having cross section area 1.0 mm and length 1.0 km. The wire resistivity...
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A conducting wire having cross section area 1.0 mm and length 1.0 km. The wire resistivity is 10-9 2.m at 20 °C and its resistance is 2.0 2 at T= 320 "C. Find the temperature coefficient of resistivity(in Uch of the material. 1. O10.0 x103 2. O5.0 x103 3. 03.3 x103 4. 02.5 x10-3 5. 02.0 x10-3 A conducting wire having cross section area 1.0 mm and length 1.0 km. The wire resistivity is 10-9 2.m at 20 °C and its resistance is 2.0 2 at T= 320 "C. Find the temperature coefficient of resistivity(in Uch of the material. 1. O10.0 x103 2. O5.0 x103 3. 03.3 x103 4. 02.5 x10-3 5. 02.0 x10-3
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