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Tardigrade
Question
Physics
In the circuit shown the value of I in ampere is
Q. In the circuit shown the value of
I
in ampere is
5143
223
KCET
KCET 2006
Current Electricity
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A
1
15%
B
0.60
19%
C
0.4
52%
D
1.5
14%
Solution:
We can simplify the network as shown :
So, net resistance,
R
=
24
+
1.6
=
4.0Ω
Therefore, current from the battery,
i
=
R
V
=
4
4
=
1
A
Now from the circuit (b),
4
I
′
=
6
I
⇒
I
′
=
2
3
I
but
i
=
I
+
I
′
=
I
+
2
3
I
=
2
5
I
∴
1
=
2
5
I
⇒
I
=
5
2
=
0.4
A