GATE (Graduate Aptitude Test in Engineering) Electrical Engineering: Questions 54 - 58 of 148

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Question 54

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 55

Appeared in Year: 2019

Write in Short

Short Answer▾

A co-axial cylindrical capacitor shown in Figure (i) has dielectric with relative permittivity . When one-fourth portion of the dielectric is replaced with another dielectric of relative permittivity , as shown in Figure (ii) , the capacitance is doubled. The value of is ________.

Capacitance of Coaxial Cylindrical Cable

Question 56

Appeared in Year: 2018

Question

MCQ▾

A positive charge of 1nC is placed at (0,0, 0.2) where all dimensions are in metres. Consider the x-y plane to be a conducting ground plane. Take . The z component of the E field at (0,0, 0.1) is closest to

Choices

Choice (4)Response

a.

V/m

b.

V/m

c.

V/m

d.

V/m

Question 57

Appeared in Year: 2019

Question

MCQ▾

The inverse Laplace transform of for is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 58

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

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