Q.

Where is a transistor most likely to be found?

A. Wrist watch
B. Fuse
C. Hearing aid
D. Fluorescent lamp
Answer» C. Hearing aid
Explanation: A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. The transistor invented in 1948 was well suited to the hearing aid application due to low power and small size; hearing aids were an early adopter of transistors. Transistors replaced the need for batteries in hearing aids
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