A system is at rest for t < 0. It is given by ( frac{dy}{dt} ) + 2y = – McqOptions

MCQOPTIONS

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

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