Charge and current Flashcards
1
Q
what does a closed circuit need for charge to flow
A
a source of potential difference
2
Q
what is electrical current
A
flow of charge
3
Q
how do you decide the rate of flow
A
the size of current
4
Q
what is the formula for Charge Flow
A
Q = I*t
5
Q
what is charge flow measured in
A
coulombs
6
Q
what is I
A
current in amps
7
Q
what is t
A
time in seconds