| સ્તંભ $- I$ | સ્તંભ $- II$ |
| $(A)$ ડ્રિફ્ટ વેગ | $(P)$ $\frac{m}{n e^{2} \rho}$ |
| $(B)$ વિદ્યુત અવરોધકતા | $(Q)$ $n e v_{d}$ |
| $(C)$ રિલેક્સેશન સમય | $(R)$ $\frac{e E}{m} \tau$ |
| $(D)$ પ્રવાહ ઘનતા | $(S)$ $\frac{E}{J}$ |
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