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Byju's Answer
Standard XII
Physics
Charging of Capacitors
In the circui...
Question
In the circuit shown, initially
C
1
and
C
2
are uncharged. After closing the switch,
A
The charge on
C
2
is greater than that on
C
1
.
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B
The charges on
C
1
and
C
2
are the same
.
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C
The potential drops across
C
1
and
C
2
are the same
.
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D
The potential drop across
C
2
is greater than that across
C
1
.
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Solution
The correct option is
B
The charges on
C
1
and
C
2
are the same
.
In series combination, charges on the capacitors will be same.
Applying KVL around the circuit,
12
−
q
8
+
6
−
q
4
=
0
⇒
q
=
48
μ
C
V
C
2
=
48
8
=
6
V
&
V
C
1
=
48
4
=
12
V
Hence, option (b) is correct.
Suggest Corrections
4
Similar questions
Q.
In the circuit shown initially
C
1
,
C
2
are uncharged. After closing the switch
Q.
In the circuit shown in figure the capacitors are initially uncharged. The current through resistor PQ just after closing the switch is
Q.
At
t
=
0
the switch
S
is closed. If initially
C
1
is uncharged and
C
2
is charged to potential difference
2
E
then the current in circuit as a function of time will be : (Given,
C
1
=
C
2
=
C
)
Q.
For the arrangement shown in the figure, the switch is closed at
t
=
0.
C
2
is initially uncharged while
C
1
has a charge of
2
μ
C
. Find the current coming out of the battery just after the switch is closed.
Q.
In the circuit shown in the figure
C
1
=
2
C
2
, switch
S
is closed at time
t
=
0
. Let
i
1
and
i
2
be the currents flowing through
C
1
and
C
2
at any time
t
, then the ratio
i
1
/
i
2
(assume capacitors were initially uncharged.)
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