Signals and Systems [GATE (Graduate Aptitude Test in Engineering) Electrical Engineering]: Questions 6 - 11 of 24

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Question 6

Appeared in Year: 2013

Question

MCQ▾

Two systems with impulse responses and are connected in cascade. Then the overall impulse response of the cascaded system is given by

Choices

Choice (4)Response

a.

Product of and

b.

Sum of and

c.

Subtraction of from

d.

Convolution of and

Question 7

Appeared in Year: 2013

Question

MCQ▾

A band-limited signal with a maximum frequency of 5 kHz is to be sampled. According to the sampling theorem, the sampling frequency in kHz which is not valid is

Choices

Choice (4)Response

a.

12

b.

5

c.

20

d.

15

Question 8

Appeared in Year: 2013

Question

MCQ▾

The impulse response of a system is . For an input , the output is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 9

Appeared in Year: 2012

Question

MCQ▾

The unilateral Laplace transform of is . The unilateral Laplace transform of is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 10

Appeared in Year: 2012

Question

MCQ▾

The input and output of a system are related as . The system is

Choices

Choice (4)Response

a.

Stable and not time-invariant

b.

Time-invariant and not stable

c.

Not time-invariant and not stable

d.

Time-invariant and stable

Question 11

Appeared in Year: 2013

Question

MCQ▾

For a periodic signal, the fundamental frequency in rad/s is

Choices

Choice (4)Response

a.

1500

b.

100

c.

500

d.

300

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