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Byju's Answer
Standard XII
Physics
Electric Potential at a Point in Space Due to a Point Charge Q
The potential...
Question
The potential difference
V
A
−
V
B
for the circuit shown in Figure is
−
(
22
/
x
)
V
. Find the value of
x
.
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Solution
From figure,
i
1
=
0
−
x
1
i
2
=
1
−
x
1
K
C
L
at junction C :
I
1
+
I
2
=
i
∴
0
−
x
1
+
1
−
x
1
=
i
⟹
i
=
1
−
2
x
Also
K
C
L
at junction D :
4
i
+
i
1
=
0
∴
4
(
1
−
2
x
)
+
0
−
x
1
=
0
⟹
x
=
4
9
Now,
V
A
−
V
B
−
i
1
(
1
)
+
1
+
1
=
0
∴
V
A
−
V
B
4
9
(
1
)
+
2
=
0
⟹
V
A
−
V
B
=
−
22
9
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Similar questions
Q.
If the potential difference
V
A
−
V
B
for the circuit shown in the figure is given as
(
−
20
+
x
9
V
)
n
. Find
x
.
Q.
Find the potential difference
V
a
−
V
b
in the circuits shown if figure (32-E12).
Figure 32 - E12
Q.
Find the potential difference V
a
– V
b
in the circuits shown in the figure (32-E12).