GATE ECE 2025 Paper 1 — page 19

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2025 Paper 1

Complete GATE ECE 2025 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 55–57 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 19 of 22

Let

be a periodic signal with fundamental period

. Consider the signal

, where

. The Fourier series expansions of

and

are given by

Which of the following statements is/are TRUE?

Your answerSelect all correct options. You can choose more than one.

for all

is periodic with a fundamental period

for all

is periodic with a fundamental period

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Consider a system represented by the block diagram shown below. Which of the following signal flow graphs represent(s) this system? Choose the correct option(s).

Diagram for Electronics and Communication Engineering question 56

Your answerSelect all correct options. You can choose more than one.

Diagram for Electronics and Communication Engineering question 56 (figure 2)

Diagram for Electronics and Communication Engineering question 56 (figure 3)

Diagram for Electronics and Communication Engineering question 56 (figure 4)

Diagram for Electronics and Communication Engineering question 56 (figure 5)

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All the diodes in the circuit given below are ideal. Which of the following plots is/are correct when

(in Volts) is swept from

Diagram for Electronics and Communication Engineering question 57

Your answerSelect all correct options. You can choose more than one.

Diagram for Electronics and Communication Engineering question 57 (figure 2)

Diagram for Electronics and Communication Engineering question 57 (figure 3)

Diagram for Electronics and Communication Engineering question 57 (figure 4)

Diagram for Electronics and Communication Engineering question 57 (figure 5)

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2025 · Paper 1

Question 55

Question 56

Question 57