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Standard XII
Physics
Resonance in RLC Circuit
The resonant ...
Question
The resonant frequency of a series LCR circuit with L = 2.0H,C=32
μ
F and R= 10
Ω
is
A
20
H
z
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B
30
H
z
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C
40
H
z
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D
50
H
z
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Solution
The correct option is
D
20
H
z
Here,
L
=
2
H
C
=
32
μ
F
=
32
×
10
−
6
F
R
=
10
Ω
∴
ω
=
1
√
L
C
=
1
√
2
×
32
×
10
−
6
=
125
r
a
d
s
−
1
ν
r
=
ω
r
2
π
=
125
2
×
3.14
=
20
H
z
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0
Similar questions
Q.
Obtain the resonant frequency
ω
r
of a series LCR circuit with L = 2.0 H, C = 32
μ
F and R = 10
Ω
. What is the Q-value of this circuit?
Q.
An LCR series circuit contains
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The Q factor of a series LCR circuit with L = 2 H, C=32
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Q.
Comprehension :
An alternating voltage of
260
V
and
ω
=
500
rad s
−
1
is applied in series
LCR
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L
=
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H
,
C
=
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×
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−
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F
and
R
=
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Find the resonance frequency of the circuit (in
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Q.
For a series LCR circuit,
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Ω
. What will be the magnitude of Q-factor at resonance?
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