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Byju's Answer
Standard XII
Physics
RMS Value of Current in Sinusoidal AC
In the circui...
Question
In the circuit diagram shown
X
C
=
100
Ω
,
X
L
=
200
Ω
and
R
=
100
Ω
.
The effective through the source is:
A
2
A
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B
√
2
A
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C
4
A
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D
2
√
2
A
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Solution
The correct option is
D
2
√
2
A
T
h
e
e
f
f
e
c
t
i
v
e
i
n
p
e
d
a
n
c
e
o
f
s
e
r
i
e
s
L
C
c
i
r
c
u
i
t
X
=
√
(
X
l
−
X
c
)
2
=
√
(
200
−
100
)
2
=
100
Ω
T
h
i
s
i
s
p
a
r
a
l
l
e
l
w
i
t
h
r
e
s
i
s
t
o
r
S
o
n
e
t
r
e
a
c
tan
e
1
Z
′
=
√
(
1
100
)
2
+
(
1
100
)
2
Z
′
=
√
5000
=
10
√
20
Ω
V
=
I
R
I
=
200
10
√
50
=
2
√
2
Option
D
is correct .
Suggest Corrections
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The effective current through the source is:
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