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What is engineering?
Purposeful use of science
What is 6.002 about?
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Gainful employment of
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l
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t
Maxwell’s equations
No
4
m
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r
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f
o
w
4
e
i
e
v
g
e
a
r
P
PFrom electrons
to digital gates
and op-amps
Cite as: Anant Agarwal and Jeffrey Lang, course materials for 6.002 Circuits and Electronics, Spring 2007. MIT
OpenCourseWare (http://ocw.mit.edu/), Massachusetts Institute of Technology. Downloaded on [DD Month YYYY].
6.002 Fall 2000
Lecture 1
Lumped Circuit Abstraction
Consider
V
The Big Jump
from physics
to EECS
I
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.
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le.c
a
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N
4
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w
6
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P
?
Suppose we wish to answer this question:
What is the current through the bulb?
Cite as: Anant Agarwal and Jeffrey Lang, course materials for 6.002 Circuits and Electronics, Spring 2007. MIT
OpenCourseWare (http://ocw.mit.edu/), Massachusetts Institute of Technology. Downloaded on [DD Month YYYY].
6.002 Fall 2000
Lecture 1
V
Must also be defined.
see
A&L
So let’s assume this too
k
So
∂φ B.co.u
VAB defined when ale = 0
s ∂t
e
t
o
N
m
f 24 elements
roE ⋅ dl 7 o
VABw
= ∫fAB
outside
1
e
i
e
v
g
e
Pr
Pa
Cite as: Anant Agarwal and Jeffrey Lang, course materials for 6.002 Circuits and Electronics, Spring 2007. MIT
OpenCourseWare (http://ocw.mit.edu/), Massachusetts Institute of Technology. Downloaded on [DD Month YYYY].
6.002 Fall 2000
Lecture 1
What can we say about currents?
I ca
S
a
I da
I ba
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u
.
o
le.c
∂q
a LMD
∫S J ⋅ dS = − ∂ot tesunder
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04
om 3 of 2
r
f
w + I =e 02
e
i
I
+
I
v
Preca da Pabag
Kirchhoff’s Current Law (KCL):
The sum of the currents into a node is 0.
simply conservation of charge
Cite as: Anant Agarwal and Jeffrey Lang, course materials for 6.002 Circuits and Electronics, Spring 2007. MIT
OpenCourseWare (http://ocw.mit.edu/), Massachusetts Institute of Technology. Downloaded on [DD Month YYYY].
6.002 Fall 2000
Lecture 1
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