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Byju's Answer
Standard X
Physics
Combination of Resistances
The current i...
Question
The current i in the given branch of circuit is
A
0.1 A
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B
0.2 A
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C
0.5 A
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D
0.4 A
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Solution
The correct option is
C
0.2 A
By applying KCL at the node
let the node potential be V
L
′
=
L
′
1
+
L
′
2
(
10
−
V
)
10
=
(
V
−
6
)
20
+
(
V
−
5
)
30
10
−
V
=
(
V
−
6
2
)
+
V
−
5
3
10
−
V
=
5
V
6
−
3
−
5
3
44
3
=
11
V
6
⇒
V
=
8
i
=
10
−
8
10
=
0.2
A
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