current/ charge/basics Flashcards
1
Q
current and unit
A
rate of flow of charge
amps
I
2
Q
potential difference and unit
A
energy transferred per column of charge between 2 points.
volts
V
3
Q
Resistance and unit
A
a property of a material that opposes flow of electrons
4
Q
charge
A
Measure of total current that flowed within a certain time
columbs
5
Q
charge carried by 1 electron / proton
A
1.6x10^-19
6
Q
how many electrons make up 1 coulomb
A
6.25x10^18
7
Q
1 amp = 1 columb per second
A
8
Q
conservation of charge
A
its possible to create or destroy
9
Q
charge on a fundememental particle
A
is a fixed quality
10
Q
conventional current
A
pos to neg
11
Q
voltage = energy / charge
A