GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 785 - 789 of 1076

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Question 785

Question

MCQ▾

The cut off frequency of waveguide depends upon

Choices

Choice (4)Response

a.

The dimensions of the waveguide.

b.

The electric property of the medium in the waveguide

c.

The transverse and axial components of the fields

d.

The characteristic impedance of the waveguide

Question 786

Appeared in Year: 2015

Question

MCQ▾

A function is defined in the closed interval . The value of x, in the open interval for which the mean value theorem is satisfied, is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 787

Time Domain Analysis of Simple Linear Circuits

Appeared in Year: 2015

Question

MCQ▾

In the circuit shown, the switch SW is thrown from position A to position B at time . The energy () taken from the 3V source to charge the capacitor from is

Source of Charge

Choices

Choice (4)Response

a.

0.3

b.

0.45

c.

0.9

d.

0.3

Question 788

Appeared in Year: 2015

Question

MCQ▾

Negative feedback in a closed-loop control system DOES NOT

Choices

Choice (4)Response

a.

Reduce bandwidth

b.

Improve disturbance rejection

c.

Reduce the overall gain

d.

Reduce sensitivity to parameter variation

Question 789

Appeared in Year: 2015

Question

MCQ▾

A plant transfer function is given as . When the plant operates in a unity feedback configuration, the condition for the stability of the closed loop system is

Choices

Choice (4)Response

a.

2

b.

2

c.

d.

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