Complete GATE ECE 2022 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 25–27 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 9 of 22

Question 25

Open question
ECMSQ1 markNeeds review
Consider the following partial differential equation (PDE)

where

and

are distinct positive real numbers. Select the combination(s) of values of the real parameters

and

such that

is a solution of the given PDE.
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Question 26

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ECMSQ1 markNeeds review
An ideal OPAMP circuit with a sinusoidal input is shown in the figure. The 3 dB frequency is the frequency at which the magnitude of the voltage gain decreases by 3 dB from the maximum value. Which of the options is/are correct?
Diagram for Electronics and Communication Engineering question 26

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Question 27

Open question
ECMSQ1 markNeeds review
Select the Boolean function(s) equivalent to

, where

,

and

are Boolean variables, and + denotes logical OR operation.
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