AEIE study material
Applied Electronics and Instrumentation Engineering
You sit GATE IN. Here are 13 subjects and 455 past questions from 7 GATE IN papers, with notes, formula sheets and practice. Free, no sign-up.
Subject-wise
Notes, formulas, practice and past questions for each subject.
Engineering Mathematics
66 solved questions from GATE IN papers
Notes · formula sheet · 43 practice questions
Networks (Electric Circuits)
45 solved questions from GATE IN papers
6 of 7 topics are in the GATE IN syllabus
7 foundation chapters · Notes · formula sheet · 37 practice questions
Analog Electronics
43 solved questions from GATE IN papers
2 foundation chapters · Notes · formula sheet · 41 practice questions
Control Systems
43 solved questions from GATE IN papers
8 foundation chapters · Notes · formula sheet · 55 practice questions
Sensors and Industrial Instrumentation
41 solved questions from GATE IN papers
Notes · formula sheet · 37 practice questions
Signals and Systems
38 solved questions from GATE IN papers
8 foundation chapters · Notes · formula sheet · 51 practice questions
Digital Electronics
39 solved questions from GATE IN papers
Notes · formula sheet · 40 practice questions
Electrical and Electronic Measurements
33 solved questions from GATE IN papers
Notes · formula sheet · 37 practice questions
Electromagnetics
18 solved questions from GATE IN papers
3 of 7 topics are in the GATE IN syllabus
Notes · formula sheet · 37 practice questions
Electrical Machines
8 solved questions from GATE IN papers
2 of 5 topics are in the GATE IN syllabus
Notes · formula sheet · 28 practice questions
Communications
7 solved questions from GATE IN papers
2 of 5 topics are in the GATE IN syllabus
Notes · formula sheet · 27 practice questions
Power Electronics
0 solved questions from GATE IN papers
3 of 5 topics are in the GATE IN syllabus
Notes · formula sheet · 31 practice questions
General Aptitude
68 solved questions from GATE IN papers
Notes · formula sheet · 43 practice questions
Exam-wise
GATE
Official papers and syllabus
After the result
Which papers you can sit
GATE 2027 lets you pair IN with EC and EE, among others. The brochure marks this list tentative.
Other exams
- UPSC ESE 2027
A degree in Engineering, in one of four categories.
Applications closed 6 Oct 2026
ESE syllabus, by subject - ISRO Scientist/Engineer 2026
Electronics post: Applied Electronics and Electronics & Instrumentation are listed separately.
Applications closed 16 Sep 2026
- DRDO Scientist 'B' (Advt. No. 156, 2025)
Electronics & Communication post with GATE EC; it listed Electronics & Instrumentation degrees.
Advt. 156 closed 8 Aug 2025
- BARC OCES/DGFS-2026
Instrumentation post (code 27), including applied Electronics & Instrumentation degrees.
Last date 21 Jan 2026 (tentative)
- PSU recruitment
Which PSUs select on a GATE score and which run their own test
ISRO past papers
- ISRO Scientist/Engineer Electronics 2025, question by question
95 questions with ISRO's answer key. Written test of 26 October 2025.
- ISRO Scientist/Engineer Electronics 2023, question by question
95 questions with ISRO's answer key. Written test of 7 January 2024.
From the past papers
General Aptitude and Engineering Mathematics marks
7 min read
Where GATE IN's marks have come from
7 min read
What a wrong answer costs in GATE, by question type
6 min read
GATE's most repeated topics, paper by paper
8 min read
IISc's GATE cut-offs and offer scores, 2024–2026
9 min read
Recurring slips in GATE questions, by subject
58 min read
Which PSU and government notices use a GATE score
7 min read