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Given : R1 =1ohm, R2 = 2ohm, C1 = 2 mu...

Given : `R_1 =1ohm, R_2 = 2ohm, C_1 = 2 muF, C_2 = 4muF` The time constants (in `muS`) for the circuits I, II, III are respectively

A

`18, (8)/(9), 4`

B

`18, 4, (8)/(9)`

C

`4, (8)/(9),18`

D

`(8)/(9), 18,4`

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The correct Answer is:
D
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