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 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 coeff. Of resistivity of silver.

A wire has resistance of 3.1 Omega at 30 ^@ C and 4.5 Omega at 100 ^@ C . The temperature coefficient of resistance of the wire is

The resistance of a wire is 5Omega at 50^(0)C and 6Omega at 100^(0)C . The resistance of the wire at 0^(0)C will be

A wire of resistance 10Omega is elongated by 10% the resistance of the elongated wire

A wire has a resistance of 2.5Omega at 100^(@)C . Temperature coefficient of resistance of the material alpha=3.6xx10^(-3)K^(-1) . Find its resistance at 0^(@)C .

A platinum resistance thermometer reads. 0^(@) C when its resistance is 80 Omega and 100^(@) C when its resistance is 90 Omega . Find the temperature at the platinum scale at which the resistance is 86 Omega