Circuits Formulas Flashcards
1
Q
milliamps
A
1 A = 1,000 mA
2
Q
milli
A
1,000
3
Q
micro
A
1,000,000
4
Q
nano
A
1,000,000,000
5
Q
current (I)
A
Q/t or V/R or P/V
6
Q
voltage (V)
A
E/Q or R*I
7
Q
charge (Q)
A
I*t or E/V
8
Q
energy (E)
A
VIt
9
Q
power (P)
A
V*I or E/t
10
Q
resistance (R)
A
V/I
11
Q
voltage in series
A
V-total= V1 +V2 + …
12
Q
current in series
A
I-total= I1 = I2
13
Q
resistance in series
A
R-total= R1 +R2 + …
14
Q
voltage in parallel
A
V-total= V1 = V2
15
Q
current in parallel
A
I-total = I1 +I2 + …
