V rms =sqaure root(3kT/m)
http://wiki.answers.com/Q/What_is_vrms

The current difficulty level is available from: http://blockexplorer.com/q/getdi... Currently, the difficulty level is 434,882 (the level adjusts about every two weeks, or even sooner
http://www.quora.com/Whatistheformulaforfigur...

Voltampere reactive power (var) is a unit used to measure reactive power in an AC electric
http://www.chacha.com/question/whatistheelectri...

The formula for the electric current can be given as I= Qt where Q refers to coulomb charge and t= amount of time in second .
http://www.kgbanswers.com/whatistheformulatof...
