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| स्तंभ $- I$ | स्तंभ $- II$ |
| $(A)$ अनुगमन वेग | $(P)$ $\frac{m}{n e^{2} \rho}$ |
| $(B)$ विद्युत प्रतिरोधकता | $(Q)$ $n e v_{d}$ |
| $(C)$ विश्रांति काल | $(R)$ $\frac{e E}{m} \tau$ |
| $(D)$ धारा घनत्व | $(S)$ $\frac{E}{J}$ |
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