

MCQOPTIONS
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1. |
A system is at rest for t < 0. It is given by ( frac{dy}{dt} ) + 2y = u(t)sin (2t+A). If steady state is reached at t = 0, then the value of angle A is ___________ |
A. | 0 |
B. | 45 |
C. | -45 |
D. | |
Answer» C. -45 | |