Networks Analysis and Synthesis - Engineering

Q1:

A system is at rest for t < 0. It is given by If steady state is reached at t = 0, then the value of angle A is given by

A 0

B 45 °

C - 45°

D

ANS:B - 45 °

= U(t) sin (2t + A) y(s).s + 2y(s) = char.eqn S + 2 = 0 jω + 2 = 0 j2 + 2 = 0 1 + j = 0 tan-1(1) 45°.