What is the smallest unit of electrical current known to man?

Question

Just curious about our universe.............

Answer 1

A unit of current? The unit of current is one ampere. I would guess that the smallest unit of current is then the yoctoampere (10^-24 ampere) See http://en.wikipedia.org/wiki/SI_prefix

Answer 2

Unit Of Electrical Current

Answer 3

The standard SI unit for electric current is the ampere. Current is like speed. It's defined as the amount of charge that passes through a cross-sectional area per unit time. I think what you meant was what is the smallest amount of charge. An electron and a proton have equal charges, just with opposite signs. The charge of an electron is about -1.6 * 10^-19 coulombs. If you're not familiar with this notation, it is -0.00000000000000000016. This is the smallest amount of electrical charge possible. The current can be made as small as you like by slowing down the flow of a charge like this. Since current = charge/time, if you make the time bigger and bigger the current gets smaller and smaller. So, theoretically, there is no smallest amount of current but there is a smallest amount of charge

Answer 4

e=1.6022*[10^(-19)]C
C=the unit for electrical charge
e=the electrical charge of an electron
Anyway, the question is vague. The units for electrical current are basically the voltage and the intensity.
Voltage defines the electrical charge and intensity defines the electrical movement of charge bearers in a section (flux) in a basic time period.
So, the smallest electric bearer is the electron which has a charge of:
1.6022×10^(-19) C
Wikipedia definition for coulomb:
"1 coulomb is the amount of electric charge carried by a current of 1 ampere flowing for 1 second."

Answer 5

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Answer 6

im pretty sure it is coulombs which is used to measure electric current of a single electron or proton

Answer 7

my guess would be static electricity that the human body can create with friction.