Electrical Engineering Gate 2017 Set-1 Questions with Answer

Ques 27 GATE 2017 Set-1


The transfer function of a system is given by:

Let the output of the system be vo(t) = Vm sin(ωt + φ) for the input vi(t) = Vm sin(ωt). Then the minimum and maximum values of φ (in radians) are respectively: __________

A

−π/2 and π/2

B

−π/2 and 0

C

0 and π/2

D

-π and 0


(d) is the correct answer.

Ques 28 GATE 2017 Set-1


Consider the line integral I=∫C(x2+iy2)dz where z=x+iy. The line C is shown in the figure below.

The value of I is

A

1/2i

B

2/3i

C

3/4i

D

4/5i


(b) is the correct answer.

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