A copper coil has resistance of `20.0 Omega` at `0^@C` and a resistance of `26.4 Omega` at `80^@C`. Find the temperature coefficient of resistance of copper.

A coil of wire has a resistance of 25.00Omega at 20^@ C and a resistance of 25.17Omega at 150^@C . What is its temperauture cofficient of resistance?

A wire has a resistance of 3.1 Omega at 30°C and a resistance 4.5 Omega at 100°C. The temperature coefficient of resistance of the wire

A silver wire has a resistance of 2.1 Omega at 27.5^@C , and a resistance of 2.7 Omega at 100^@C , Determine the temperature coefficient of resistivity of silver.

A wire has a resistance of 2.5Omega at 28^(@)C and a resistance of 2.9Omega at 100^(@)C . The temperature coefficient of resistivity of material of the wire is

A platinum wire has a resistance of 2.62 Omega at 15 ^(0)C and 3.29 Omega at 80 ^(@)C . Find the temperature coefficient of the resistance of platinum wire.

A conductor has resistance of 5 Omega at 60^@C and 6 Omega at 100 ^@C . Find (i) the mean temperatures coefficient of resistance of the material of conductor and (ii) resistance at 0^@C .

A platinum resistance thermometer has a resistance of 50 Omega at 20^(@)C . When dipped in a liquid the resistance becomes 76.8 Omega . The temperature coefficient of resistance for platinum is alpha = 3.92 xx 10^(-3)//""^(@)C . The temperature of the liquid is

A metal wire of diameter 2 mm and length 100 m has a resistance of 0.5475 Omega " at " 20^(@)C and 0.805 Omega " at " 150^(@)C . Find (i) the temperature of coefficient of resistance (ii) resistance at 0^(@)C (iii) resistivities at 0^(@) and 20^(@)C .

A plantinum wire has resistance of 10 Omega at 0^(@)C and 20 Omega at 273^(@)C . Find the value of coefficient of resistance.