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Question

All capacitors were initially uncharged. Battery current just after closing the switch is 



A
1A
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B
2A
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C
3A
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D
4A
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Solution

The correct option is D 4A
Capacitors behave as short circuit, just after closing the switch.
Resistors in bridge become parallel.

Net resistance of circuit is Reff = 10Ω+(10510)=12.5Ω

Current through battery, i=5012.5=4A
 

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