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In given circuit all capacitor were unch...

In given circuit all capacitor were uncharged initially. First switch `S_(1)` is closed for long time. When circuit reaches to steady state `S_(1)` is opened and `S_(2)` closed.
The current through `R_(2)` jus after closing the switch `S_(2)` is

A

`5A`

B

`2.5A`

C

`10A`

D

Zero

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A
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