Question: If the compensated system shown in figure has a phase margin of (60^{circ}) at the crossover frequency of (1 mathrm{rad} / mathrm{sec}), the value of

If the compensated system shown in figure has a phase margin of $60^{\circ}$ at the crossover frequency of $1 \mathrm{rad} / \mathrm{sec}$, the value of the gain $\mathrm{K}$ is

R(S) + K + 0.366s 1 s(s+1) Y(s)

(a) 0.366
(b) 0.732
(c) 1.366
(d) 2.738

R(S) + K + 0.366s 1 s(s+1) Y(s)

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