Determine the current through the battery in the circuit shown in figure. After a long time:
A
ER2+R3
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B
2ER1+R3
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C
E2R1+R3
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D
ER1+R3
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Solution
The correct option is CER1+R3 After long time switch S is closed, the both capacitors C1,C2 are fully charged and no current will pass through them. So the current I drawn from the battery will flow only the resistances R1,R3.