A metal wire of diameter 2mm and of length 300m has a resistance of `1.6424 Omega at 20^@C` and `2.415Omega at150^@C`. Find the values of `alpah, R_0` and `rho_0` where the zero subscript refers to `0^@C`, and `rho_0` Identify the metal.

A metal wire of dimeter 4mm and length 100 m has a resistacne of 0.408 Omega at 10^@ and 0.508Omega at 120^2 C find the value of a. temperature cofficinet of resistance b. its resistivities of 0^@C and 120^@C

A metal wire of dimeter 4mm and length 100 m has a resistacne of 0.408 Omega at 10^@ and 0.508Omega at 120^2 C find the value of a. temperature cofficinet of resistance b. its resistivities of 0^@C and 120^@C

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.

A platinum wire has a resistance of 10Omega at 0^@C and 20Omega at 273^@C. find the value of temperaure cofficient of platinum.

A platinum wire has a resistance of 10Omega at 0^@C and 20Omega at 273^@C. find the value of temperaure cofficient of platinum.

A wire has a resistance of 2.0 Omega at 25^[o)C and 2.5 Omega at 100^(o)C . Find temperature coefficient of resistance of the wire?

A metallic wire has a resistance of 3.0 Omega at 0^@C and 4.8 Omega at 150^@C . Find the temperature coefficient of resistance of its material.

Resistance is 16 Omega at 15^0C and 20 Omega at 100^0 C find coefficient of resistivity

A wire has resistance of 2.0 Omega at 25^@ C and 2.5 Omega at 100^@ C . Calculate the temperature coefficient of resistance of the wire.