Electronics - Time Response of Reactive Circuits - Discussion

8. 

If the pulse source has an internal resistance of 80 omega.gif in the given circuit, it will take ______ for the output voltage to decrease to zero.

[A]. 1 ms
[B]. 1.1 ms
[C]. 1.2 ms
[D]. 2.5 ms

Answer: Option B

Explanation:

No answer description available for this question.

Indiresh said: (Sep 30, 2015)  
How? I didn't understand.

Kirito said: (Aug 15, 2016)  
1/5RL just input the given note that R = 820 + 80.

Answer: 1.1ms.

Lavanya said: (Aug 3, 2017)  
Will you please explain how that 1/5RL came?

Shadan said: (Feb 7, 2018)  
Time constant for RL circuit is;
T= L/R.
200*10^-3/820+80.
= 0.22*10^-3.
so 5*0.22=1.1 ms.

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