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UCSD Summer Session
Physics 2B Formula Sheet
UNIT 3 –Resistor & Network (combo) Supplement
Three macroscopic parameters completely define how a resistor behaves in a circuit:
the Resistance
R
, the applied Potential
V
, and current
I
. They are always related by
VI
R
=
Ohm’s Law
We connect Resistors together into networks in different ways. The basic building blocks are
SERIES
and
PARALLEL
. These in turn can be joined to make more complicated circuits.
In these configurations,
one
equivalent capacitor
Equiv
R
can replace them all, and we can use
the same equation for the equivalent. When we do so, we may still be interested the
R
,
V
, and
I
of
each
of the individual elements. The following table summarizes the characteristics for
the two types of networks.
Of course, when we combine these into more complicated networks, the same rules apply.
Supplementary Resistor Circuit Table
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 Summer '08
 schuller
 Current, Resistance, Work

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