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KCET 2016 Physics Solved Paper
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© examsnet.com
Question : 25
Total: 60
Potential difference between A and B in the following circuit
4 V
5.6 V
2.8 V
6 V
Validate
Solution:
Current,
I
=
E
R
+
r
=
6
V
−
4
V
8
Ω
+
2
Ω
=
2
V
10
Ω
=
0.2
A
Potential difference across 8 Ω resistor is
V
=
I
×
R
=
0.2
×
8
Ω
=
1.6
V
Thus, potential difference across A and B is
V
+
4
=
(
1.6
+
4
)
=
5.6
V
© examsnet.com
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