4
You visited us
4
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Physics
Impedance in RLC Circuit
The frequency...
Question
The frequency at which the impedance of the circuit becomes maximum is
A
1
2
π
√
1
L
C
+
R
2
L
2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
1
2
π
1
√
L
C
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
1
2
π
√
1
L
C
−
R
2
L
2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
1
2
π
R
L
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is
B
1
2
π
√
1
L
C
−
R
2
L
2
Magnitude of admittance
Y
=
1
Z
is given by
|
Y
|
=
[
R
2
X
2
c
+
(
R
2
+
X
2
L
−
X
L
X
c
)
2
]
X
c
(
R
2
+
X
2
L
)
1
2
Now,
|
Z
|
is maximum or
|
Y
|
is minimum at
ω
=
ω
0
such that
R
2
+
X
2
L
−
X
L
X
C
=
0
where
X
L
=
w
o
L
and
X
C
=
1
w
o
C
Or
R
2
+
ω
2
0
L
2
=
ω
0
L
×
1
ω
0
C
=
L
C
or
ω
2
0
=
1
L
C
−
R
2
L
2
or
ω
0
=
√
1
L
C
−
R
2
L
2
Hence resonance frequency
f
0
=
w
o
2
π
=
1
2
π
√
1
L
C
−
R
2
L
2
Suggest Corrections
0
Similar questions
Q.
You apply
f
=
1
2
π
√
L
C
to find L. Which frequency will you select?
Q.
Dimensions of 1/(µ
0
ϵ
0
) is
(a) L/T
(b) T/L
(c) L
2
/T
2
(d) T
2
/L
2
.
Q.
An alternating e.m.f. of frequency
f
(
=
1
2
π
√
L
C
)
is applied to a series LCR circuit For this frequency of the applied e.m.f
Q.
An alternating voltage frequency
ω
is induced in electric circuit consisting of an inductance
L
and capacitance
C
, connected in parallel. Then across the inductance coil the
(i) current is maximum when
ω
2
=
1
/
(
L
C
)
(ii) current is minimum when
ω
2
=
1
/
(
L
C
)
(iii) voltage is minimum when
ω
2
=
1
/
(
L
C
)
(iv) voltage is maximum when
ω
2
=
1
/
(
L
C
)
Q.
The SI unit of
1
2
π
√
L
C
is equivalent to that of :
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Series RLC
PHYSICS
Watch in App
Explore more
Impedance in RLC Circuit
Standard XII Physics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Solve
Textbooks
Question Papers
Install app