A tungsten coil has a resistance `16 Omega at 20^@C`. If the temperature coefficient of resistance of tungsten is `0.004^@C^(-1)`, calculate the resistance of the coil at `80^@C`.

The temperature Coefficient of resistivity tungsten is _____ (""^(@)C)^(-1) .

The resistance of a coi is 4.2Omega at 100^(@)C and the temperature coefficient of resistance of its material is (0.004)/(.^(@)C) . Its resistance at 0^(@)C is

A piece of platinum wire has resistance of 2.5 Omega 0^@C . If its temperature coefficient of resistance is 4 xx 10^-3//^@C . Find the resistance of the wire at 80^@C .

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 )

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 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