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Unformatted text preview: 48. The potential diﬀerence across the capacitor varies as a function of time t as V (t) = V0 e−t/RC . Using
V = V0 /4 at t = 2.0 s, we ﬁnd
R= t
2.0 s
=
= 7.2 × 105 Ω .
C ln(V0 /V )
(2.0 × 10−6 F) ln 4 ...
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.
 Fall '08
 SPRUNGER
 Physics

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