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In an LR circuit, current at t=0 is 20A ...

In an LR circuit, current at t=0 is 20A . After 2s it reduced to 18A. The time constant of the circuit is (in second)

A

In `((10)/(9))`

B

2

C

`(2)/(In((10)/(9))`

D

`2 In ((10)/(9))`

Text Solution

Verified by Experts

The correct Answer is:
C
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