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Byju's Answer
Standard XII
Physics
Electric Potential at a Point in Space Due to a Point Charge Q
When the swit...
Question
When the switch is closed, the net charge which flows from point A to B is
A
−
400
7
µ
C
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B
−
100
7
µ
C
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C
−
200
7
µ
C
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D
−
500
7
µ
C
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Solution
The correct option is
A
−
400
7
µ
C
Equivalent circuit:
C
e
q
=
5
3
μ
F
Initial charge distribution:
After closing the switch,
∴
C
e
q
=
25
7
The new charge distribution will be
q
=
400
7
μ
C
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When the switch is closed, the net charge which flows from point A to B is
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