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VITEEE 2019 Solved Paper
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© examsnet.com
Question : 25
Total: 125
For a series RLC circuit
R
=
X
L
=
2
X
C
. The impedance of the circuit and phase difference between
V
and
I
respectively will be
√
5
R
2
,
tan
−
1
2
√
5
R
2
,
tan
−
1
1
2
√
5
X
C
,
tan
−
1
2
√
5
R
,
tan
−
1
1
2
Validate
Solution:
Given,
R
=
X
L
=
2
X
C
Z
=
√
R
2
+
(
X
L
−
X
C
)
2
=
√
(
2
X
C
)
2
+
(
2
X
C
−
X
C
)
2
=
√
4
X
C
2
+
X
C
2
=
√
5
X
C
=
√
5
R
2
[
∵
R
=
2
X
C
]
tan
ϕ
=
(
X
L
−
X
C
)
R
=
(
2
X
C
−
X
C
)
2
X
C
tan
ϕ
=
1
2
;
ϕ
=
tan
−
1
1
2
© examsnet.com
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