GATE Electrical Engineering Higher Questions and Answers Paper 2013 Part 6

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39. (Topic: Engineering Mathematics)

(Subtopic: Numerical Methods)

(Sub-Subtopic: Newton-Raphson method)

When the Newton-Raphson method is applied to solve the equation, the solution at the end of the first iteration with the initial guess value as is

(A)

(B)

(C)

(D)

Answer: (C)

40. (Topic: Control Systems)

(Subtopic: State transition matrix)

(Sub-Subtopic: Controllability and observability)

The system is

(A) Controllable but not observable

(B) Not controllable but observable

(C) Both controllable and observable

(D) Both not controllable and not observable

Answer: (A)

41. (Topic: Control Systems)

(Subtopic: State transition matrix)

(Sub-Subtopic: Response due to ZIR and ZSR)

The response to a unit step input is

(A)

(B)

(C)

(D)

Answer: (A)

End passage

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