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Question

Consider the circuit shown in the figure below, switch is operated at τ=0
The time constant of the given circuit is


A
20ms
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B
40ms
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C
8ms
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D
16ms
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Solution

The correct option is D 16ms
For time constant calculation, the circuit can be redrawn as


where, Req=8kΩ
and Ceq=2μF
τ=ReqCeq=16ms

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