Consider 49 cascaded amplifiers having individual rise time as 2 n sec. 3 n sec. ... 50 n sec. The input waveform rise time is 1 n sec. Then the output signal rise time is given time by (Assume output signal rise time is measured within 10 percent range of the final output signal.)

Consider 49 cascaded amplifiers having individual rise time as 2 n sec

1.	Consider 49 cascaded amplifiers having individual rise time as 2 n sec. 3 n sec. ... 50 n sec. The input waveform rise time is 1 n sec. Then the output signal rise time is given time by (Assume output signal rise time is measured within 10 percent range of the final output signal.)
A.	39 - 28 μsec
B.	2.28 μsec
C.	0.228 μsec
D.	39.28 μsec
Answer» D. 39.28 μsec