What's an Amp? The Number Will Shock You!

Current is the flow of electrons. When a circuit is closed, it means electrons

can flow, and when the circuit is open, no electrons will flow.

We can measure the flow of electrons just like you can measure the flow of water through

a pipe. To measure the flow of electrons, we use the unit of amp.

One amp means one coulomb per second, and one coulomb is a group of electrons. The group is incredibly

large and is approximately 6,242,000,000 billion electrons, and that has to pass in one second

for it to equal one amp. That's why electrons are grouped together and just called

amps to make it easier for engineers.