Introductory Engineering Computing
Edited by D.
Last Revision: July 15, 2022
Table of Contents
Introductory Engineering Computing
1
1.1 - Circuits
> Ohm’s Law: The current I through a conductor between two points is directly proportional to the voltage V
across the two points. The resistance R acts as the constant of proportionality.
V = IR,
I=
V
,
R
R=
V
I
where V = Vf inal − Vinitial .
> Characteristicsa
– Series circuits:
I = I1 = I2 ,
R = R1 + R2 ,
– Parallel circuits:
I = I1 + I2 ,
1.2 - LED Characteristics
U = U1 = U2 ,
U = U1 + U2
1
1
1
=
+
R
R1 R2