Home › GATE previous year papers › GATE EC › 2023
GATE 2023 EC question paper with official answer key
The complete GATE 2023 Electronics and Communication Engineering (EC) paper: 65 questions for 100 marks, with the official answer to every question. Try each question first, then open its answer, or practise the whole paper free with a 3-hour timer and your score.
GATE 2023 EC paper at a glance
- Questions
- 65
- Total marks
- 100
- General Aptitude
- 10 questions · 15 marks
- EC subject
- 55 questions · 85 marks
- Question types
- 45 MCQ · 4 MSQ · 16 NAT
- Duration
- 3 hours
In GATE, each MCQ carries 1 or 2 marks; a wrong MCQ answer costs one-third of its marks (−1/3 for a 1-mark and −2/3 for a 2-mark question). MSQ (multiple select) and NAT (numerical answer) questions have no negative marking. In this paper, 2 questions were dropped by GATE and given full marks to everyone.
All 65 questions
Each question is shown exactly as in the official paper. Tap “Show answer” to check yourself.
Q.1 · General Aptitude · 1 mark · MCQ
Show answer
Answer: C
Q.2 · General Aptitude · 1 mark · MCQ
Show answer
Answer: A
Q.3 · General Aptitude · 1 mark · MCQ
Show answer
Answer: C
Q.4 · General Aptitude · 1 mark · MCQ
Show answer
Answer: C
Q.5 · General Aptitude · 1 mark · MCQ
Show answer
Answer: C
Q.6 · General Aptitude · 2 marks · MCQ
Show answer
Answer: D
Q.7 · General Aptitude · 2 marks · MCQ
Show answer
Answer: A
Q.8 · General Aptitude · 2 marks · MCQ
Show answer
Answer: B
Q.9 · General Aptitude · 2 marks · MCQ
Show answer
Answer: A
Q.10 · General Aptitude · 2 marks · MCQ
Show answer
Answer: C
Q.11 · EC · 1 mark · MCQ
Show answer
Answer: C
Q.12 · EC · 1 mark · MCQ
Show answer
Answer: B
Q.13 · EC · 1 mark · MCQ
Show answer
Answer: A
Q.14 · EC · 1 mark · MCQ
Show answer
Answer: B
Q.15 · EC · 1 mark · MCQ
Show answer
Answer: C
Q.16 · EC · 1 mark · MCQ
Show answer
Answer: A
Q.17 · EC · 1 mark · MCQ
Show answer
Answer: A
Q.18 · EC · 1 mark · MCQ
Show answer
Answer: D
Q.19 · EC · 1 mark · MCQ
Show answer
Answer: B
Q.20 · EC · 1 mark · MCQ
Show answer
Answer: D
Q.21 · EC · 1 mark · MCQ
Show answer
Answer: D
Q.22 · EC · 1 mark · MCQ
Show answer
Answer: Marks to all (question dropped)
Q.23 · EC · 1 mark · MCQ
Show answer
Answer: A
Q.24 · EC · 1 mark · MCQ
Show answer
Answer: A
Q.25 · EC · 1 mark · MCQ
Show answer
Answer: A
Q.26 · EC · 1 mark · MCQ
Show answer
Answer: B
Q.27 · EC · 1 mark · MCQ
Show answer
Answer: B
Q.28 · EC · 1 mark · MCQ
Show answer
Answer: C
Q.29 · EC · 1 mark · MCQ
Show answer
Answer: B
Q.30 · EC · 1 mark · MSQ
Show answer
Answer: A, B
Q.31 · EC · 1 mark · NAT
Show answer
Answer: 10
Q.32 · EC · 1 mark · NAT
Show answer
Answer: 1.3 to 1.4
Q.33 · EC · 1 mark · NAT
Show answer
Answer: 80
Q.34 · EC · 1 mark · NAT
Show answer
Answer: 2
Q.35 · EC · 1 mark · NAT
Show answer
Answer: 4
Q.36 · EC · 2 marks · MCQ
Show answer
Answer: B
Q.37 · EC · 2 marks · MCQ
Show answer
Answer: B
Q.38 · EC · 2 marks · MCQ
Show answer
Answer: A
Q.39 · EC · 2 marks · MCQ
Show answer
Answer: A
Q.40 · EC · 2 marks · MCQ
Show answer
Answer: A
Q.41 · EC · 2 marks · MCQ
Show answer
Answer: A
Q.42 · EC · 2 marks · MCQ
Show answer
Answer: A
Q.43 · EC · 2 marks · MCQ
Show answer
Answer: A
Q.44 · EC · 2 marks · MCQ
Show answer
Answer: B
Q.45 · EC · 2 marks · MCQ
Show answer
Answer: B
Q.46 · EC · 2 marks · MCQ
Show answer
Answer: Marks to all (question dropped)
Q.47 · EC · 2 marks · MCQ
Show answer
Answer: A
Q.48 · EC · 2 marks · MCQ
Show answer
Answer: C
Q.49 · EC · 2 marks · MCQ
Show answer
Answer: A
Q.50 · EC · 2 marks · MCQ
Show answer
Answer: D
Q.51 · EC · 2 marks · MCQ
Show answer
Answer: A
Q.52 · EC · 2 marks · MSQ
Show answer
Answer: B, C
Q.53 · EC · 2 marks · MSQ
Show answer
Answer: A, B, D
Q.54 · EC · 2 marks · MSQ
Show answer
Answer: B, C, D
Q.55 · EC · 2 marks · NAT
Show answer
Answer: 0
Q.56 · EC · 2 marks · NAT
Show answer
Answer: 2.2 to 2.3
Q.57 · EC · 2 marks · NAT
Show answer
Answer: 4
Q.58 · EC · 2 marks · NAT
Show answer
Answer: 15
Q.59 · EC · 2 marks · NAT
Show answer
Answer: 0.24 to 0.26
Q.60 · EC · 2 marks · NAT
Show answer
Answer: 0.12 to 0.14
Q.61 · EC · 2 marks · NAT
Show answer
Answer: 60 to 70
Q.62 · EC · 2 marks · NAT
Show answer
Answer: 8.3 to 8.34
Q.63 · EC · 2 marks · NAT
Show answer
Answer: 250 or 500
Q.64 · EC · 2 marks · NAT
Show answer
Answer: 2
Q.65 · EC · 2 marks · NAT
Show answer
Answer: 1.97 to 1.99
GATE 2023 EC official answer key
From the official GATE answer key ↗. Numerical answers are accepted anywhere in the range shown.
| Q. | Section | Type | Marks | Answer |
|---|---|---|---|---|
| 1 | GA | MCQ | 1 | C |
| 2 | GA | MCQ | 1 | A |
| 3 | GA | MCQ | 1 | C |
| 4 | GA | MCQ | 1 | C |
| 5 | GA | MCQ | 1 | C |
| 6 | GA | MCQ | 2 | D |
| 7 | GA | MCQ | 2 | A |
| 8 | GA | MCQ | 2 | B |
| 9 | GA | MCQ | 2 | A |
| 10 | GA | MCQ | 2 | C |
| 11 | EC | MCQ | 1 | C |
| 12 | EC | MCQ | 1 | B |
| 13 | EC | MCQ | 1 | A |
| 14 | EC | MCQ | 1 | B |
| 15 | EC | MCQ | 1 | C |
| 16 | EC | MCQ | 1 | A |
| 17 | EC | MCQ | 1 | A |
| 18 | EC | MCQ | 1 | D |
| 19 | EC | MCQ | 1 | B |
| 20 | EC | MCQ | 1 | D |
| 21 | EC | MCQ | 1 | D |
| 22 | EC | MCQ | 1 | Marks to all (question dropped) |
| 23 | EC | MCQ | 1 | A |
| 24 | EC | MCQ | 1 | A |
| 25 | EC | MCQ | 1 | A |
| 26 | EC | MCQ | 1 | B |
| 27 | EC | MCQ | 1 | B |
| 28 | EC | MCQ | 1 | C |
| 29 | EC | MCQ | 1 | B |
| 30 | EC | MSQ | 1 | A, B |
| 31 | EC | NAT | 1 | 10 |
| 32 | EC | NAT | 1 | 1.3 to 1.4 |
| 33 | EC | NAT | 1 | 80 |
| 34 | EC | NAT | 1 | 2 |
| 35 | EC | NAT | 1 | 4 |
| 36 | EC | MCQ | 2 | B |
| 37 | EC | MCQ | 2 | B |
| 38 | EC | MCQ | 2 | A |
| 39 | EC | MCQ | 2 | A |
| 40 | EC | MCQ | 2 | A |
| 41 | EC | MCQ | 2 | A |
| 42 | EC | MCQ | 2 | A |
| 43 | EC | MCQ | 2 | A |
| 44 | EC | MCQ | 2 | B |
| 45 | EC | MCQ | 2 | B |
| 46 | EC | MCQ | 2 | Marks to all (question dropped) |
| 47 | EC | MCQ | 2 | A |
| 48 | EC | MCQ | 2 | C |
| 49 | EC | MCQ | 2 | A |
| 50 | EC | MCQ | 2 | D |
| 51 | EC | MCQ | 2 | A |
| 52 | EC | MSQ | 2 | B, C |
| 53 | EC | MSQ | 2 | A, B, D |
| 54 | EC | MSQ | 2 | B, C, D |
| 55 | EC | NAT | 2 | 0 |
| 56 | EC | NAT | 2 | 2.2 to 2.3 |
| 57 | EC | NAT | 2 | 4 |
| 58 | EC | NAT | 2 | 15 |
| 59 | EC | NAT | 2 | 0.24 to 0.26 |
| 60 | EC | NAT | 2 | 0.12 to 0.14 |
| 61 | EC | NAT | 2 | 60 to 70 |
| 62 | EC | NAT | 2 | 8.3 to 8.34 |
| 63 | EC | NAT | 2 | 250 or 500 |
| 64 | EC | NAT | 2 | 2 |
| 65 | EC | NAT | 2 | 1.97 to 1.99 |
Practise this paper with a timer
On Student AI Hub, GATE previous year papers are free: answer on screen, get instant checking with the official key and see your score. No AI credits used.