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Physics
Physics
Problem
A series
L
C
R
LCR
L
C
R
circuit has resonant frequency
f
0
f_0
f
0
. If the capacitance is doubled while
L
L
L
and
R
R
R
remain unchanged, the new resonant frequency becomes a)
f
0
2
\dfrac{f_0}{2}
2
f
0
b)
2
f
0
\sqrt{2}\,f_0
2
f
0
c)
f
0
2
\dfrac{f_0}{\sqrt{2}}
2
f
0
d)
f
0
2
2
\dfrac{f_0}{2\sqrt{2}}
2
2
f
0
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