Control Systems
At which frequency does the Bode magnitude plots for the functions K/S2 have gain crossover frequency

 ω = K rad/sec.
 ω = √K rad/sec.
 ω = 0 rad/sec.
 ω = K2 rad/sec.

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Control Systems
An open loop control system, represented by the transfer function G ( s ) = ( s - 1 ) / ( s + 2 )( s + 3 ), is

  stable and of the non-minimum phase type.
  unstable and of the minimum phase type.
  unstable and of the non minimum phase type .
  stable and of the minimum phase type.

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