Control Systems
Poles and zeros are arranged alternatively on negative real axis, then type of network is/are

 RC network.
 RL network.
 Both 2 and 3.
 LC network.

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Control Systems
For a transfer function H (s) = P(s) / Q(s), where P (s) and Q (s) are polynomials in s. Then

 the degree of P (s) is always greater than the degree of Q (s).
 maximum degree of P (s) and Q (s) differ at most by one.
 the degree of P (s) and Q (s) are same.
  degree of P (s) is independent of degree of Q (s).

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

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