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 silver wire has a resistance of 2.0Omega at 27.5^@C , and a resistance of 2.7Omega at 100^@C . Determine the temperature coefficient of resistivity of silver.

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

A coil of wire has a resistance of 25Omega " at " 20^(@)C and a resistance of 25.17 Omega at 35^(@)C . What is its temp coeff.

At room temperature (27.0 ^@C) the resistance of a heating element is 100 Omega . What is the temperature of the element if the resistance is found to be 117 Omega , given that the temperature coefficient of the material of the resistor is 1.70 xx 10^-4 ^@C^-1