Sample 1. An ideal inverting op-amp has an input resistor of 10 kΩ and feedback resistor of 40 kΩ. What is its voltage gain?
- −4
- −0.25
- +0.25
- +4
Show answer and solution
A — −4
For an ideal inverting amplifier, gain is −Rf/Rin = −40/10 = −4.
Free · No sign-up fee · Timed practice
UGC NET Electronic Science mock test
Free UGC NET Paper 2 Electronic Science mock test: 100 subject MCQs, 200 marks, no negative marking, with instant AI explanations.
Start the UGC NET Electronic Science paper →
What this paper looks like
UGC NET Paper 2 tests the single subject you registered for, at 100 questions and 200 marks. This Electronic Science paper covers circuits, semiconductor devices, signals and systems, communication, microprocessors and control systems. There is no negative marking, so every question is worth an attempt.
| Questions | 100 subject MCQs |
|---|---|
| Total marks | 200 |
| Marking | No negative marking |
| Duration | 2 hours |
These are practice questions, not official papers. Report unclear questions through the in-test report control; a report does not guarantee an immediate correction.
How to use this practice
Write the governing relationship before substituting values. Practise circuit assumptions, signal behaviour and device characteristics across analog, digital, communication, control and instrumentation topics, keeping units and sign conventions visible.
Topics covered
- Semiconductor devices
- Analog circuits
- Digital electronics
- Signals and systems
- Communication systems
- Microprocessors
- Control systems
- Instrumentation and electromagnetics
Sample questions with worked solutions
These short examples show the style of reasoning used in the simulator. They are illustrative and are not a full practice paper.
Sample 2. What minimum sampling rate avoids aliasing for a band-limited signal whose highest frequency is 6 kHz?
- 3 kHz
- 6 kHz
- 12 kHz
- 18 kHz
Show answer and solution
C — 12 kHz
The Nyquist criterion requires a sampling rate of at least twice the highest signal frequency: 2 × 6 kHz = 12 kHz.
Official source and review
Pattern information was reviewed against the NTA UGC NET official website on . Exam rules can change, so check the latest official information before booking or sitting an exam.
Questions candidates ask
How many questions are in the UGC NET Electronic Science mock test?
100 subject-specific MCQs worth 200 marks, matching the real Paper 2 format.
Does UGC NET Paper 2 have negative marking?
No. Nothing is deducted for a wrong answer, so leaving questions blank only costs you.
Do I need to clear Paper 1 and Paper 2 separately?
No. Both papers are taken in one sitting and the aggregate decides qualification, so a strong Paper 2 can offset a weaker Paper 1.
Which Electronic Science areas should I prioritise?
Start with the areas where your timed accuracy is weakest, then rotate through the full syllabus. This paper covers semiconductor devices, analog circuits, digital electronics, signals and systems, communication systems, microprocessors, control systems, instrumentation and electromagnetics.