A standard coil marked `3 Omega` is found to have a true resistance of `3.115 Omega` at 300 K. Calculate the temperature at which marking is correct. Temperature coefficient of resistance of the material of the coil is `4.2xx10^(-3) .^(@)C^(-1)`.

A standard coil marked `3 Omega` is found to have a true resistance of

1.	A standard coil marked `3 Omega` is found to have a true resistance of `3.115 Omega` at 300 K. Calculate the temperature at which marking is correct. Temperature coefficient of resistance of the material of the coil is `4.2xx10^(-3) .^(@)C^(-1)`.
Answer» Correct Answer - `290.2 K`

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A standard coil marked `3 Omega` is found to have a true resistance of `3.115 Omega` at 300 K. Calculate the temperature at which marking is correct. Temperature coefficient of resistance of the material of the coil is `4.2xx10^(-3) .^(@)C^(-1)`.

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