Well, conceptually, the best value for COP would be infinite because we'd like to be able to provide the largest amount of heating or cooling for the smallest amount of input energy.
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First, Manning's roughness coefficient is dimensionless. Second, usually unfinished concrete is assigned an n value of 0.014 whereas finished concrete is assigned an n value of 0.012.
The p value is NOT a probability but a likelihood. It tells you the likelihood that the coefficient of a variable in regression is non zero. The p-value is: The probability of observing the calculated value of the test statistic if the null hypothesis is true
Since most metals are isotropic, the cubical coefficient of expansion is three times the linear coefficient of expansion. The linear coefficient of expansion is obtained from measurement and tables for the specific material which are readily available.
hall coefficient of a lightly doped semiconductor will decrease with increase in temp as hall coefficient is inversely proportional to number density of charge carriers.
Temperature coefficient of the PN intersection voltage to balance the temperature coefficient of the warm voltage.