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CBSE XII
>>
Physics
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Alternating current
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Q)
Obtain the resonant frequency and Q- factor of a series circuit with
L
=
3.0
H
,
C
=
27
μ
F
and
R
=
7.4
Ω
. It is desired to improve the sharpness of resonance of the circuit by reducing its full width at half max. by a factor of 2. suggest a suitable way
w
r
=
111.1
r
a
d
s
;
Q
=
45.04
w
r
=
11.11
r
a
d
s
;
Q
=
45.04
w
r
=
111.1
r
a
d
s
;
Q
=
450.4
w
r
=
1111
r
a
d
s
;
Q
=
45.04
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