Practice question

MCQ

Question

What is an oscillator?

Options

Choose one · Correct answer highlighted

An amplifier with a large gain An amplifier with negative feedback An amplifier with positive feedback Correct An amplifier with no feedback

Explanation

An amplifier with positive feedback is correct per What is an oscillator? principle; validated by standard physics law.

Share this question

Discussion

Comments

0 comments

Please log in to join the discussion.

No comments yet. Be the first to start the discussion.

Related blogs

Guides and insights connected to this topic

Biology XII Lab Manual 10 Oct 2026

Experiment 16: Flash Cards / Models / Specimens Showing Examples of Homologous and Analogous Organs

Study homologous and analogous organs using flash cards, models and specimens of animal forelimbs and plant parts. Includes requirements, procedure and observations.

Biology XII Lab Manual 10 Oct 2026

Experiment 15: Identification and Study of Symbiotic Associations (Root Nodules of Leguminous Plants, Lichens) and Parasitism (Cuscuta on Host)

Observe mutualism in legume root nodules, lichen symbiosis, and parasitism by Cuscuta on host plants using models and specimens.

Biology XII Lab Manual 10 Oct 2026

Experiment 14: Identification of Disease-Causing Organisms (Ascaris, Entamoeba, Plasmodium, and Ringworms)

Identify common human pathogens—Ascaris, Entamoeba, Plasmodium, and ringworm—using permanent slides and specimens under a microscope.

Practice question

What is an oscillator?

Options

Explanation

Comments

Related blogs

Experiment 16: Flash Cards / Models / Specimens Showing Examples of Homologous and Analogous Organs

Experiment 15: Identification and Study of Symbiotic Associations (Root Nodules of Leguminous Plants, Lichens) and Parasitism (Cuscuta on Host)

Experiment 14: Identification of Disease-Causing Organisms (Ascaris, Entamoeba, Plasmodium, and Ringworms)

Install Examtube

Please allow advertisements on this page