Audio-visual teaching aid among the following is:

Correct option is C

The correct answer is Television.
Audio aids:
· Audio aids are materials or devices that use the auditory senses to help people learn by listening, such as radio broadcasts, cassette players, and CD players.
Visual aids:
· These are aids that use the visual senses to help learners learn by viewing.
· Important examples include Blackboard, Charts, Pictures, Graphs, Models, Film Strips, Slides, etc.
Audio-Visual Aids:
· Devices that require both the auditory and visual senses and assist students in learning by listening and viewing.
· Television, films, and computer-assisted instruction are examples of such aids.
Information Booster
· A teaching aid is anything that a teacher uses to help teach or make a lesson more interesting for students.
· Teaching aids come in any form.
· Pictures, videos, charts, flashcards, and objects such as three-dimensional models or educational toys are the most common.