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26. The charge
q
after
N
cycles is obtained by substituting
t = NT
= 2
π
N
/
ω
'
into Eq.
3125:
()
( )
/2
2/
/
2
/
cos
cos
2
/
cos 2
cos .
Rt
L
RNT
L
RN
L C
L
NRCL
qQ
e
t
Q
e
N
Qe
N
Qe
φω
φ
−−
−π
′′
′
⎡
⎤
=+
=
π
+
⎣
⎦
=π
+
=
We note that the initial charge (setting
N
= 0 in the above expression) is
q
0
=
Q
cos
,
where
q
0
= 6.2
µ
C is given (with 3 significant figures understood). Consequently, we
write the above result as
( )
0
exp
/
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 Spring '08
 Any
 Physics, Charge

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