MCQOPTIONS
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MCQOPTIONS
| 1. |
The temperature coefficient of resistance of conductor varies as\[\alpha (T)=3{{T}^{2}}+2T\]. If \[{{R}_{0}}\] is resistance at T= 0 and R is resistance at T, then |
| A. | \[R={{R}_{0}}(6T+2)\] |
| B. | \[R=2{{R}_{0}}(3+2T)\] |
| C. | \[R={{R}_{0}}(1+{{T}^{2}}+{{T}^{3}})\] |
| D. | \[R={{R}_{0}}(1-T+{{T}^{2}}+{{T}^{3}})\] |
| Answer» D. \[R={{R}_{0}}(1-T+{{T}^{2}}+{{T}^{3}})\] | |