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9. (a) Since
R
eq
<
R
, the two resistors (
R
= 12.0
Ω
and
R
x
) must be connected in parallel:
R
RR
R
R
x
x
x
x
eq
==
+
=
+
300
12 0
12 0
.
.
.
.
Ω
Ω
Ω
bg
We solve for
R
x
: R
x
= R
eq
R
/(
R – R
eq
) = (3.00
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics

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