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1. |
If D0 is the frequency factor, E is the activation energy, T is the temperature and K is Boltzmann constant, then the diffusivity determined over a range of diffusion temperature can be expressed as |
A. | D0 exp (-E/kt) |
B. | D0 exp (-kT/E) |
C. | \(\frac{{kT}}{q}\exp \left( {{D_0}/E} \right)\) |
D. | D0 exp (kT/q) |
Answer» B. D0 exp (-kT/E) | |