economic reasoning of choices

For a given power requirement, one has the choice of the relative values of I r m s and E r m s . That is, for the product to be a constant, we can choose a relatively large current I and a relatively small potential difference v or just the reverse. In an electric power distribution syst..

>The choice of electrolyte for use in the electroplating bath is very important. A good electrolyte should have the following characteristics. It should be highly soluble in water. Its solution should be a reasonably good conductor of electricity. Its solution should be stable t..

>May be its time to think about how one ought to be using our resources and to know more about how ones choices affect the environment. One needs to link the choices one makes in ones every day life towards utilizing resources in a proper manner - which sustains rather than depl..

. to reduce the dependence on hydrocarbon fuels. A related aspect of management of these resources is the emissions they create in terms of pollution levels and green house gases. The choice of efficient technology or alternate fuel and technologies/products has a direct bearing on this c..

. Without this natural 'greenhouse effect', temperatures would be much lower than they are now, and life as known today would not be possible. Instead, thanks to greenhouse gases, the earth's average temperature is a more hospitable 60 0 F. However, problems may arise when the atmospheric concentra..