Statement-1: The temperature dependence of resistance is usually given as `R=R_0(1+alphaDeltaT)`. The resistance of a wire changes from `100Omega to 150Omega` when its temperature is increased from `27^@C to 227^@C`. This implies that `alpha=2.5xx10^-3//^@C`. Statement 2: `R=R_0(1+alphaDeltaT)` is valid only when the change in the temperature `DeltaT` is small and `DeltaR=(R-R_0) lt ltR_0`.A. Statement-1 is true, Statement-2 is falseB. Statement-1 is true, Statement-2 is true, Statement-2 is the correct explaination of Statement-1C. Statement-1 is true, Statement-2 is true, Statement-2 is not the correct explanation of Statement-1D. Statement-1 is false, Statement-2 is true

Statement-1: The temperature dependence of resistance is usually given

1.	Statement-1: The temperature dependence of resistance is usually given as `R=R_0(1+alphaDeltaT)`. The resistance of a wire changes from `100Omega to 150Omega` when its temperature is increased from `27^@C to 227^@C`. This implies that `alpha=2.5xx10^-3//^@C`. Statement 2: `R=R_0(1+alphaDeltaT)` is valid only when the change in the temperature `DeltaT` is small and `DeltaR=(R-R_0) lt ltR_0`.A. Statement-1 is true, Statement-2 is falseB. Statement-1 is true, Statement-2 is true, Statement-2 is the correct explaination of Statement-1C. Statement-1 is true, Statement-2 is true, Statement-2 is not the correct explanation of Statement-1D. Statement-1 is false, Statement-2 is true
Answer» Correct Answer - A

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