GATE 2021 Answer Key EC Electronics and Communication Engineering
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GATE 2021 Answer Key EC Electronics and Communication Engineering is available here for free download. Published by IIT for Graduate Aptitude Test in Engineering, this answer key can be viewed online or downloaded as a PDF (3 pages). Candidates preparing for Graduate Aptitude Test in Engineering can use GATE 2021 Answer Key EC Electronics and Communication Engineering to understand the exam pattern, the type of questions asked, and the overall difficulty level.
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GATE 2021 Answer Key EC Electronics and Communication Engineering – Text
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📄 View text version (3 pages)
Page 1
Subject/Paper: Electronics and Communication Engineering (EC)
1 4 MCQ GA C 1 1/3
2 4 MCQ GA B 1 1/3
3 4 MCQ GA C 1 1/3
4 4 MCQ GA C 1 1/3
5 4 MCQ GA B 1 1/3
6 4 MCQ GA C 2 2/3
7 4 MCQ GA D 2 2/3
8 4 MCQ GA A 2 2/3
9 4 MCQ GA C 2 2/3
10 4 MCQ GA A 2 2/3
1 4 MCQ EC A 1 1/3
2 4 MCQ EC B 1 1/3
3 4 MCQ EC B 1 1/3
4 4 MCQ EC B 1 1/3
5 4 MCQ EC C 1 1/3
6 4 MCQ EC D 1 1/3
7 4 MCQ EC A 1 1/3
8 4 MCQ EC D 1 1/3
9 4 MCQ EC MTA 1 1/3
10 4 MCQ EC A 1 1/3
Page 2
12 4 MCQ EC C 1 1/3
13 4 MCQ EC C 1 1/3
14 4 MCQ EC D 1 1/3
15 4 MCQ EC A 1 1/3
16 4 NAT EC 8.0 to 8.0 1 0
17 4 NAT EC 0 to 0 1 0
18 4 NAT EC 0.5 to 0.5 1 0
19 4 NAT EC 1.0 to 1.0 1 0
20 4 NAT EC 4.5 to 4.5 1 0
21 4 NAT EC 2.0 to 2.0 1 0
22 4 NAT EC 94.2 to 94.6 1 0
23 4 NAT EC 9.24 to 9.28 1 0
24 4 NAT EC 2.80 to 3.20 1 0
25 4 NAT EC 9.30 to 9.44 1 0
26 4 MCQ EC MTA 2 2/3
27 4 MCQ EC B 2 2/3
28 4 MCQ EC C 2 2/3
29 4 MCQ EC C 2 2/3
30 4 MCQ EC A 2 2/3
31 4 MCQ EC C 2 2/3
32 4 MCQ EC A 2 2/3
33 4 MCQ EC D 2 2/3
Page 3
35 4 MCQ EC A 2 2/3
36 4 NAT EC 10.0 to 10.0 2 0
37 4 NAT EC 56.50 to 56.60 2 0
38 4 NAT EC 0.132 to 0.146 2 0
39 4 NAT EC 31.9 to 32.1 2 0
40 4 NAT EC 0.0 to 0.0 2 0
41 4 NAT EC 7.9 to 8.1 2 0
42 4 NAT EC 8.1 to 8.4 2 0
43 4 NAT EC 10 to 10 2 0
44 4 NAT EC 0.5 to 0.5 2 0
45 4 NAT EC -12 to -12 2 0
46 4 NAT EC 5 to 5 2 0
47 4 NAT EC 1.40 to 1.50 2 0
48 4 NAT EC 3.125 to 3.125 2 0
1011310.0 to
49 4 NAT EC 2 0
1011320.0
50 4 NAT EC 1400 to 1400 2 0
51 4 NAT EC 3.320 to 3.325 2 0
52 4 NAT EC 30.00 to 34.00 2 0
53 4 NAT EC 0.03 to 0.05 2 0
54 4 NAT EC 1.15 to 1.25 2 0
55 4 NAT EC 0.224 to 0.264 2 0
MTA means Marks to All
Document Details
| Board / Org | IIT |
| Exam | Graduate Aptitude Test in Engineering |
| Type | Answer Key |
| Pages | 3 |
| Language | english |
| Updated | 30 Apr 2026 |