You may be referring to a microamp, which is a very small current. The "U" you are referring to may be the Greek Letter Mu in lowercase. It stands for micro.
1 is big and 1 is small 1 is big and 1 is small
the difference is this is small and that is big
The difference between a big hotel and a small hotel is the amount of rooms that they have. The amount of staff and the size of the building are also differences.
One is big. One is Small.
No different
pond is small and a swamp is big.
A: BIG DIFFERENCE emitting is the study of electronics conduction is the study of current flow
The difference between a ant and a student is that students have education and ants don't.Ants are small but students are big.
Whales are big and bacteria are small
a highway is big but a street is small in length
Small and big
small battery can lose charge fast,and big batteries can loose charge at large time