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
One is big. One is Small.
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.
pond is small and a swamp is big.
No different
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
Small and big
a highway is big but a street is small in length
small battery can lose charge fast,and big batteries can loose charge at large time