A standard coil marked `5 Omega` is found to have a resistance of `5.128 Omega` at `30^@C`. Calculate the temperature at which the marking is correct. The temperature coefficient of resistance of the material of the coil is `.0042^@C^(-1)`.

A standard coil marked 2 Omega is found to have a resistance of 2.118 Omega " at " 30^(@)C . Calculate the temperature at which the marking is correct. The temperature coefficient of the resistance of the material of the coil is 0.0042 .^(@)C^(-1) .

A standard coil marked 3W is found to have a true resistance of 3.115 W at 300 K. Calculatge the temperature at which marking is correct. Temperature coefficient of resistance of the material of the coil is 4.2 xx 10^(-300C^(-1) .

A standard coil marked 3W is found to have a true resistance of 3.115 W at 300 K. Calculatge the temperature at which marking is correct. Temperature coefficient of resistance of the material of the coil is 4.2 xx 10^(-300C^(-1) .

A conductor has resistance of 5 Omega at 60^@C and 6 Omega at 100 ^@C . Find (i) the mean temperatures coefficient of resistance of the material of conductor and (ii) resistance at 0^@C .

A copper coil has resistance of 20.0 Omega at 0^@C and a resistance of 26.4 Omega at 80^@C . Find the temperature coefficient of resistance of copper.

A copper coil has resistance of 20.0 Omega at 0^@C and a resistance of 26.4 Omega at 80^@C . Find the temperature coefficient of resistance of copper.

A silver wire has a resistance of 4.2 Omega at 27^@C and resistance 5.4 Omega at 100^@C . Determine the temperature coefficient of resistance.