A silver wire has a resistance of `2.1 Omega` at `27.5 ^(@)C.` and a rsistance 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 coefficient of resistivity of silver. Also find the resistance of the silver wire at 0^@C .

A wire of resistance 1Omega is elongated by 10%. The resistance of the elongated wire is

Resistance of a coil is 4.2 Omega at 100^@C and the temperature coefficient of resistance of its material is 0.004//"^@C . Then its resistance at 0^@C is ( Omega )

Resistance of a copper coil is 4.64 Omega at 40^@C and 5.6 Omega at 100^@C . Then its resistance at 0^@C is (in Omega )

The temperature coefficient of resistance of a wire is 0.00125^@//C . Its resistance is 1 Omega at 300 K. Its resistance will 2 Omega at

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).