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Time Response of Reactive Circuits

Q1:

When a 15 V input pulse with a width equal to two time constants is applied to an RC integrator, the capacitor charges to

A 15 V

B 12.9 V

C 8.6 V

D 19.45 V

ANS:B - 12.9 V

@Yogesh you are correct.

There have another method. But it's little difficult,

1st time constant = 15*63.2/100=9.48
Remaining voltage is 15-9.48 = 5.52
So, 5.52*63.2/100=3.48.
1st time constant+next time constant=9.48+3.488=12.96.



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