...Before what? He/she cannot let go of an object, he/she turns from rare to well done in x seconds? A Google search for "Quantitative Effects of Electric Current on Man" will bring up a pdf showing some values you might be interested in.
0.4 amp
way too much for any human being way too much for any human being
It is nothing but how much current or voltage taken in the circuit. It is known as Magnitude.
How much is being taken out of your paycheck in taxes
It depends on the amount of current, enough current can cook the body.
how much more is the current president being paid than George Washington eared
an average human should have around 2000.
Current = Voltage / resistance (more properly impedance) so the current will be 220/55 or 4 amps.
about 20-30 miles
the anser is at www.yougotrickrold.com
Three to four grams.
A lot, depending on the type of application and the strength of the body.